{"title":"Macro","description":null,"products":[{"product_id":"arca-swiss-lens-mount-adapter-macro-focusing-rail","title":"Macro Rail Lens Mount Adapter for Collared Macro Lenses","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e \n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e \n    \u003cstrong\u003eArca-Type Macro Rail Lens Mount Adapter with Battery Grip Clearance\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e \n\u003ch1\u003eMacro Rail Lens Mount Adapter for Collared Macro Lenses\u003c\/h1\u003e \n\u003cp\u003e\n    This precision-engineered \u003cstrong\u003elens mount adapter\u003c\/strong\u003e is a dedicated support solution designed to adapt professional macro focusing rails for use with \u003cstrong\u003ecollared macro lenses\u003c\/strong\u003e. Providing the specialized spatial layout required for high-magnification close-up work, this mount raises the clamping plane to deliver \u003cstrong\u003eadditional physical clearance for camera bodies equipped with an attached battery grip\u003c\/strong\u003e. It serves as a rigid bridge between your focusing stage and an Arca-type lens plate or lens replacement foot.\n\u003c\/p\u003e \n\u003chr\u003e \n\n\u003c!-- ===================== QUICK OVERVIEW \u0026 KEY FEATURES ===================== --\u003e \n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDedicated Macro Utility:\u003c\/strong\u003e Tailor-made to adapt long macro focusing rails seamlessly to lenses utilizing a tripod collar ring.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eBattery Grip Clearance:\u003c\/strong\u003e Elevated architecture provides critical vertical clearance, preventing large camera bodies and battery extensions from striking the rail.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003e90-Degree Indexing Clamp:\u003c\/strong\u003e Precision quick release clamp can be rotated and oriented in 90-degree increments along the base to adapt to alternative panoramic or telephoto configurations.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eUniversal Arca Fit:\u003c\/strong\u003e Standard dovetail profiles on the base and receptor clamp ensure total compatibility with RRS, Kirk, Wimberley, and Leofoto hardware.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eAnti-Twist Layout:\u003c\/strong\u003e Precision-milled alignment features stop mechanical twisting or rotational shift under high-magnification loads.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Construction:\u003c\/strong\u003e Precision CNC-machined from a solid block of aircraft-grade 6061-T6 aluminum.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDurable Hard-Coat Finish:\u003c\/strong\u003e Finished with a rugged black hard-coat anodization for advanced resistance against scratches and scuffs in the field.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Proudly manufactured to precise professional tolerances with high-grade stainless steel hardware.\u003c\/li\u003e \n\u003c\/ul\u003e \n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e \n\u003ch2\u003eProduct Description\u003c\/h2\u003e \n\u003cp\u003e \n    The custom \u003cstrong\u003eMacro Rail Lens Mount Adapter\u003c\/strong\u003e is an essential technical asset for serious close-up, medical, and scientific focus-stacking photographers. When utilizing a dedicated macro focusing rail, traditional setups clamp directly to the camera base. However, deploying a high-performance macro lens featuring its own tripod collar ring shifts the mounting footprint entirely. This specialized adapter solves that integration problem, anchoring directly to your macro rail while offering an unyielding Arca-type quick release clamp to receive your lens plate or replacement foot.\n\u003c\/p\u003e \n\u003cp\u003e \n    The core engineering advantage of this mount is its extended vertical height profile. Standard flat mounts often cause camera bodies with integrated or optional vertical battery grips to physically bottom out against the focusing rail, locking up the assembly. This adapter provides the exact clearance required to suspend large pro-body rigs freely above your tracking gear, ensuring smooth, unobstructed travel along the entire focus slide track.\n\u003c\/p\u003e \n\u003cp\u003e \n    For maximum versatility, the top quick-release clamp is completely indexable. It can be unbolted and rotated onto its mounting base in \u003cstrong\u003e90-degree increments\u003c\/strong\u003e. This adaptive geometry transforms the unit from a dedicated parallel lens mount into a perpendicular cross-axis clamp, making it perfect for custom stereo photography, sweeping panorama brackets, or telephoto balancing plates. Milled in the USA from solid aluminum and paired with non-corrosive stainless steel hardware, this adapter delivers the vibration-free tracking and modular precision your macro system demands.\n\u003c\/p\u003e\n\u003cp\u003e \n    \u003cem\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e Operation requires a standard Arca-Swiss compatible lens plate or dedicated lens replacement foot on your macro lens (sold separately).\u003c\/em\u003e\n\u003c\/p\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701615100009,"sku":"MLM1","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/MLM1-10.jpg?v=1793751098"},{"product_id":"0-inch-single-stage-lead-screw-macro-rail","title":"10\" Lead Screw Focusing Macro Rail with Quick Release Clamp","description":"\u003c!-- ===================== GRAY HEADER BANNER ===================== --\u003e \n\u003cdiv style=\"background:#f4f4f4; border-left:4px solid #333; padding:15px; margin-bottom:25px; font-family:Arial, sans-serif;\"\u003e \n    \u003cstrong style=\"font-size:18px; color:#222;\"\u003e10-Inch Single Stage Arca-Swiss Lead Screw Macro Rail – Made in USA\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== H1 PRODUCT TITLE ===================== --\u003e\n\u003ch1 style=\"font-family:Arial, sans-serif; font-size:24px; color:#111; margin-bottom:20px; line-height:1.3;\"\u003e10\" Lead Screw Focusing Macro Rail with Quick Release Clamp\u003c\/h1\u003e\n\n\u003c!-- ===================== INTRODUCTORY OVERVIEW ===================== --\u003e \n\u003cdiv style=\"font-family:Arial, sans-serif; line-height:1.6; color:#333; margin-bottom:25px;\"\u003e\n    \u003cp style=\"font-size:15px;\"\u003eThe \u003cstrong\u003eHejnar Photo 10-Inch Single Stage Macro Rail\u003c\/strong\u003e is a professional-grade linear motion instrument designed for high-precision macro photography and lab alignment tasks. Built with a robust 5\/8-inch thick base, this lead screw rail provides the mechanical rigidity needed to minimize micro-vibrations. Its dual-speed positioning system allows for rapid framing and microscopic focal plane adjustments, and it functions exceptionally well as a nodal slide for parallax-free panoramic photography.\u003c\/p\u003e \n\u003c\/div\u003e\n\n\u003chr style=\"border:0; border-top:1px solid #ddd; margin:25px 0;\"\u003e \n\n\u003c!-- ===================== SAE TECHNICAL SPECIFICATIONS ===================== --\u003e \n\u003cdiv style=\"font-family:Arial, sans-serif; margin-bottom:25px;\"\u003e\n    \u003ch2 style=\"font-size:20px; color:#111; margin-bottom:15px; border-bottom:1px solid #ccc; padding-bottom:5px;\"\u003eSAE Technical Specifications\u003c\/h2\u003e \n    \u003cul style=\"padding-left:20px; line-height:1.8; font-size:14px;\"\u003e \n        \u003cli\u003e\n\u003cstrong\u003eBase Rail Length:\u003c\/strong\u003e 10.00 inches.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eBase Rail Thickness:\u003c\/strong\u003e 0.625 inch (5\/8\").\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eLead Screw Resolution:\u003c\/strong\u003e 0.0416 inch (1.06mm) travel per full revolution.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eHorizontal Load Capacity:\u003c\/strong\u003e Up to 15 lbs (parallel to ground).\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eVertical Load Capacity:\u003c\/strong\u003e Up to 10 lbs (perpendicular to ground).\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e CNC-machined 6061-T6 Aluminum with Black Hard Coat Anodized finish.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e High-grade Stainless Steel.\u003c\/li\u003e \n    \u003c\/ul\u003e \n\u003c\/div\u003e\n\n\u003chr style=\"border:0; border-top:1px solid #ddd; margin:25px 0;\"\u003e \n\n\u003c!-- ===================== KEY FEATURES SECTION ===================== --\u003e \n\u003cdiv style=\"font-family:Arial, sans-serif; margin-bottom:25px;\"\u003e\n    \u003ch2 style=\"font-size:20px; color:#111; margin-bottom:15px; border-bottom:1px solid #ccc; padding-bottom:5px;\"\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e \n    \u003cul style=\"padding-left:20px; line-height:1.8; font-size:14px;\"\u003e \n        \u003cli\u003e\n\u003cstrong\u003eDual-Action Positioning:\u003c\/strong\u003e Press the slider release lever for fast coarse adjustments, then engage the lead screw for sub-millimeter fine control.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eSecure Locking Mechanism:\u003c\/strong\u003e Features a side lock to firmly secure the slider in place after achieving the perfect focus point.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eModular Quick Release Clamp:\u003c\/strong\u003e Top slider clamp can be oriented in three distinct positions for maximum equipment compatibility (note: cannot be set with the knob on the same side as the slider lock knob).\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eUniversal Arca-Swiss Base:\u003c\/strong\u003e Integrated bottom dovetail fits industry-standard quick release clamps from RRS, Kirk, and Wimberley.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eNodal Slide Functionality:\u003c\/strong\u003e Optimized design allows it to serve as a precise nodal slide for professional panoramic stitching.\u003c\/li\u003e \n    \u003c\/ul\u003e \n\u003c\/div\u003e\n\n\u003chr style=\"border:0; border-top:1px solid #ddd; margin:25px 0;\"\u003e \n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e \n\u003cdiv style=\"font-family:Arial, sans-serif; line-height:1.6; color:#333;\"\u003e\n    \u003ch2 style=\"font-size:20px; color:#111; margin-bottom:15px; border-bottom:1px solid #ccc; padding-bottom:5px;\"\u003eDetailed Product Description\u003c\/h2\u003e \n    \u003cp style=\"font-size:14px; margin-bottom:15px;\"\u003eThe Hejnar Photo 10-Inch Single Stage Macro Rail is engineered for photographers who demand absolute precision. By adjusting the distance between the camera and subject via the lead screw rather than the lens focus ring, you maintain a constant magnification ratio—a critical requirement for successful focus stacking.\u003c\/p\u003e \n    \n    \u003cp style=\"font-size:14px; margin-bottom:15px;\"\u003eReliability is at the core of this design. The 5\/8\" thick aluminum base provides superior torsional stiffness, ensuring that heavy professional camera setups weighing up to 15 lbs remain rock-solid. The lead screw delivers exactly 1.06mm of travel per turn, providing the fine sensitivity needed for high-magnification macro work.\u003c\/p\u003e \n    \n    \u003cp style=\"font-size:14px;\"\u003eThis rail is as versatile as it is precise. Beyond its primary role as a focusing stage, its 10-inch length makes it an ideal nodal slide for panoramic photography, helping minimize parallax errors by finding the lens's nodal point. Each unit is proudly CNC-machined in the USA and finished with a black hard-coat anodize for maximum wear resistance.\u003c\/p\u003e \n\u003c\/div\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701615132777,"sku":"MS3_10","price":375.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/0001_MS3_10.jpg?v=1793750567"},{"product_id":"dual-stage-10x10-macro-rail","title":"Dual Stage 10x10 Macro Rail","description":"\u003cb\u003eProduct Description:\u003cbr\u003e\u003c\/b\u003e\u003cfont color=\"#000000\" face=\"arial, verdana, helvetica, sans-serif\"\u003eLinear motion lead screw focusing or macro rail. The bottom rail (5\/8\" thick) includes dovetail that works with clamps while the slider is equipped with quick release type clamp. The clamp can be oriented in 3 positions; it cannot be set with the knob on the same side as the slider lock knob. Camera to subject \u003cspan style=\"background-color: initial;\"\u003e\u003c\/span\u003edistance can be adjusted in fine increments. \u003c\/font\u003e\u003cspan style=\"color: rgb(0, 0, 0); font-family: arial, verdana, helvetica, sans-serif;\"\u003eFast positioning can be done by pressing slider release lever and sliding the slider on top of the rail. After setting position, slider can be locked in position with the side lock.\u003c\/span\u003e\u003cfont color=\"#000000\" face=\"arial, verdana, helvetica, sans-serif\"\u003e Lead screw delivers 1.06 mm of travel per full revolution.  Works very nicely as a nodal slide.\u003c\/font\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701615231081,"sku":"MS3_10x10","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/0001_MS3_10x10_9d097569-2bd3-4a49-ba04-07a068713898.jpg?v=1793748590"},{"product_id":"8-inch-single-stage-macro-rail","title":"8 Inch Single Stage Macro Rail","description":"\u003cb\u003eProduct Description:\u003cbr\u003e\u003c\/b\u003e\u003cfont color=\"#000000\" face=\"arial, verdana, helvetica, sans-serif\"\u003eLinear motion lead screw focusing or macro rail. The bottom rail (5\/8\" thick) includes dovetail that works with clamps while the slider is equipped with quick release type clamp. The clamp can be oriented in 3 positions; it cannot be set with the knob on the same side as the slider lock knob. Camera to subject \u003cspan style=\"background-color: initial;\"\u003e\u003c\/span\u003edistance can be adjusted in fine increments. \u003c\/font\u003e\u003cspan style=\"color: rgb(0, 0, 0); font-family: arial, verdana, helvetica, sans-serif;\"\u003eFast positioning can be done by pressing slider release lever and sliding the slider on top of the rail. After setting position, slider can be locked in position with the side lock.\u003c\/span\u003e\u003cfont color=\"#000000\" face=\"arial, verdana, helvetica, sans-serif\"\u003e Lead screw delivers 1.06 mm of travel per full revolution.  Works very nicely as a nodal slide.\u003c\/font\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701616476265,"sku":"MS3_8","price":349.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/003_MS3_8.jpg?v=1793746662"},{"product_id":"hejnar-photo-8-inch-lead-screw-macro-rail-no-slide","title":"8\" Lead Screw Micro Focusing Macro Rail | Arca-Swiss Compatible","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e \n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e \n    \u003cstrong\u003eHejnar Photo 8-Inch Lead Screw Macro Rail \/ Nodal Slide (Without Slider Lock)\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e \n\u003ch1\u003e8\" Lead Screw Micro Focusing Macro Rail | Arca-Swiss Compatible\u003c\/h1\u003e \n\u003cp\u003e\n    The \u003cstrong\u003eHejnar Photo 8-Inch Lead Screw Macro Rail\u003c\/strong\u003e is a lightweight, high-performance linear motion stage custom-engineered for precision close-up photography, macro tracking, and focus stacking workflows. Featuring a robust 5\/8-inch thick Arca-Swiss compatible bottom dovetail base and a highly versatile quick-release slider clamp, this rail delivers smooth sub-millimeter control over camera-to-subject distances. Designed explicitly without a side lock-down knob, this streamlined model provides rapid, unobstructed travel adjustments, making it an exceptional choice for mirrorless systems and dedicated \u003cstrong\u003epanoramic nodal slide\u003c\/strong\u003e applications.\n\u003c\/p\u003e \n\u003chr\u003e \n\n\u003c!-- ===================== QUICK OVERVIEW \u0026 KEY FEATURES ===================== --\u003e \n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePrecision Lead Screw Drive:\u003c\/strong\u003e Delivers an ultra-fine 1.06mm of travel per full revolution for hyper-critical focal plane alignment.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eRapid Positioning Release Lever:\u003c\/strong\u003e Integrated finger lever instantly disengages the drive gear, allowing you to freely slide the stage along the rail for fast coarse framing before engaging the fine screw.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eStreamlined Lockless Profile:\u003c\/strong\u003e Built deliberately without a side locking screw mechanism to reduce operational friction and maximize structural simplicity.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDual-Purpose Nodal Slide:\u003c\/strong\u003e Features clean parallel reference tracks that perform flawlessly as a panoramic nodal slide to locate your lens's zero-parallax point.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e4-Position Modular Clamp:\u003c\/strong\u003e Top quick-release clamp can be easily unbolted and re-indexed in four cardinal directions (90-degree steps) to conform to any camera body or L-bracket orientation.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eRigid 5\/8\" Thick Base:\u003c\/strong\u003e Heavy-duty 5\/8\" solid rail thickness completely eliminates structural twisting or bending while locked into your tripod head.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUniversal Arca Fit:\u003c\/strong\u003e Standard dovetail track ensures total, plug-and-play compatibility with quick-release receivers from RRS, Kirk, Wimberley, and Leofoto.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Construction:\u003c\/strong\u003e Precision CNC-machined from a solid block of aircraft-grade 6061-T6 aluminum in the USA.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDurable Exterior Finish:\u003c\/strong\u003e Treated with a professional black hard-coat anodized layer and paired with corrosion-resistant stainless steel driving hardware.\u003c\/li\u003e \n\u003c\/ul\u003e \n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e \n\u003ch2\u003eProduct Description\u003c\/h2\u003e \n\u003cp\u003e \n    The \u003cstrong\u003eHejnar Photo 8-Inch Lead Screw Micro Focusing Rail (Without Slider Lock)\u003c\/strong\u003e cleanly handles the technical challenge of capturing razor-thin depths of field in close-up imaging. By translating your entire camera rig smoothly along a linear track rather than rotating the lens barrel focus ring, you maintain an absolutely constant magnification ratio. This physical constancy is a critical requirement for artifact-free focus stacking, enabling flawless automatic alignment in post-processing software. \n\u003c\/p\u003e \n\u003cp\u003e \n    A core mechanical advantage of this specialized model is its highly responsive, fluid workflow. The side of the slider mechanism is intentionally not equipped with a manual lock-down clamp, optimizing this stage for fast-paced tracking and rapid positioning adjustments. Simply depress the quick-release finger lever to instantly disengage the lead screw thread, glide the camera package to your general framing zone, and let go. The fine adjustment knob engages immediately, giving you ultra-smooth control over sub-millimeter positioning.\n\u003c\/p\u003e \n\u003cp\u003e \n    The 8-inch total length paired with a rigid 5\/8-inch thickness provides an excellent, expanded spatial track that functions beautifully as a dual-purpose panoramic nodal slide. By unbolting and rotating the top quick release clamp into any of its \u003cstrong\u003e4 indexable positions\u003c\/strong\u003e, you can configure your camera body or horizontal L-bracket to match your shooting axis perfectly. \n\u003c\/p\u003e\n\u003cp\u003e\n    \u003cem\u003e\u003cstrong\u003eImportant Operational Note:\u003c\/strong\u003e Because this variant relies entirely on the precise internal pitch of the lead screw without a mechanical side-locking wedge, it is highly optimized for lightweight setups, mirrorless systems, and horizontal landscape imaging. It is completely free-sliding when the lever is pressed and is not recommended for exceptionally heavy professional DSLR setups or steep vertical\/top-down copy stand work under massive loads.\u003c\/em\u003e\n\u003c\/p\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701616509033,"sku":"MS3_8_No_Stop","price":250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/0001_MS3_8_no_stop.jpg?v=1793746468"},{"product_id":"8-inch-macro-rail-without-clamp","title":"8 Inch Macro Rail Without Clamp","description":"\u003cb\u003eProduct Description:\u003cbr\u003e\u003c\/b\u003e\u003cfont color=\"#000000\" face=\"arial, verdana, helvetica, sans-serif\"\u003eLinear motion lead screw focusing or macro rail. \u003cb\u003eYou will need your own clamp to attach to the slider. \u003c\/b\u003eThe bottom rail (5\/8\" thick) includes dovetail that works with clamps while the slider is equipped with quick release type clamp. The clamp can be oriented in 3 positions; it cannot be set with the knob on the same side as the slider lock knob. Camera to subject \u003cspan style=\"background-color: initial;\"\u003e\u003c\/span\u003edistance can be adjusted in fine increments. \u003c\/font\u003e\u003cspan style=\"color: rgb(0, 0, 0); font-family: arial, verdana, helvetica, sans-serif;\"\u003eFast positioning can be done by pressing slider release lever and sliding the slider on top of the rail. After setting position, slider can be locked in position with the side lock.\u003c\/span\u003e\u003cfont color=\"#000000\" face=\"arial, verdana, helvetica, sans-serif\"\u003e Lead screw delivers 1.06 mm of travel per full revolution.  Works very nicely as a nodal slide.\u003c\/font\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701616541801,"sku":"MS3_8_NoClamp","price":289.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/001_MS3_No_CLamp-2.jpg?v=1793746320"},{"product_id":"dual-stage-8x8-macro-rail","title":"Dual Stage 8x8 Macro Rail","description":"\u003cb\u003eProduct Description:\u003cbr\u003e\u003c\/b\u003e\u003cfont color=\"#000000\" face=\"arial, verdana, helvetica, sans-serif\"\u003eLinear motion lead screw focusing or macro rail. The bottom rail (5\/8\" thick) includes dovetail that works with clamps while the slider is equipped with quick release type clamp. The clamp can be oriented in 3 positions; it cannot be set with the knob on the same side as the slider lock knob. Camera to subject \u003cspan style=\"background-color: initial;\"\u003e\u003c\/span\u003edistance can be adjusted in fine increments. \u003c\/font\u003e\u003cspan style=\"color: rgb(0, 0, 0); font-family: arial, verdana, helvetica, sans-serif;\"\u003eFast positioning can be done by pressing slider release lever and sliding the slider on top of the rail. After setting position, slider can be locked in position with the side lock.\u003c\/span\u003e\u003cfont color=\"#000000\" face=\"arial, verdana, helvetica, sans-serif\"\u003e Lead screw delivers 1.06 mm of travel per full revolution.  Works very nicely as a nodal slide.\u003c\/font\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701616574569,"sku":"MS3_8x8","price":550.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/MS3_8x8_2.jpg?v=1793746150"},{"product_id":"25mm-micrometer-adjusting-macro-rail-mitutoyo","title":"25mm Micrometer Adjusting Macro Rail | Mitutoyo Head Precision","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e \n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e \n    \u003cstrong\u003eHejnar Photo Professional 25mm Micrometer Adjusting Macro Rail\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e \n\u003ch1\u003e25mm Micrometer Adjusting Macro Rail | Mitutoyo Head Precision\u003c\/h1\u003e \n\u003cp\u003e\n    The \u003cstrong\u003e25mm Micrometer Adjusting Macro Rail\u003c\/strong\u003e is a studio-grade precision instrument custom-designed for extreme high-magnification close-up photography, scientific laboratory setups, and critical optical alignment. Driven by an industry-standard \u003cstrong\u003eMitutoyo micrometer head\u003c\/strong\u003e, this linear stage delivers sub-millimeter positional control. Built with a fully integrated Arca-Swiss compatible bottom dovetail and a highly adaptable quick-release slider clamp, it provides the uncompromising structural stability required for serious professional workflows.\n\u003c\/p\u003e \n\u003chr\u003e \n\n\u003c!-- ===================== QUICK OVERVIEW \u0026 KEY FEATURES ===================== --\u003e \n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eGenuine Mitutoyo Micrometer Head:\u003c\/strong\u003e Ultra-fine precision mechanism delivers a 0–25mm travel range with crisp, readable 0.01mm graduation increments.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003e4-Position Indexable Clamp:\u003c\/strong\u003e Integrated quick release slider clamp can be unbolted, rotated, and locked securely in 4 distinct orientations using a robust central screw and anti-twist indexing dowel pins.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eUniversal Arca-Swiss Base:\u003c\/strong\u003e Built-in bottom dovetail rail ensures a perfect, zero-play lock inside standard quick-release clamps from RRS, Markins, Wimberley, Kirk, Vanguard ABH, and Leofoto.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Structural Build:\u003c\/strong\u003e Premium unibody design features precision CNC-machined components paired with an ultra-smooth Delrin® Acetal Resin sliding block mechanism.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eVertical Weight Capacity:\u003c\/strong\u003e Rigidly supports up to a 10 lbs load when configured in a 90-degree vertical orientation (completely perpendicular to the ground) without focus drift or sagging.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eHorizontal Weight Capacity:\u003c\/strong\u003e Effortlessly holds up to a 15 lbs load when locked in a horizontal orientation (completely parallel to the ground) under full dynamic weight.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDurable Mil-Spec Finish:\u003c\/strong\u003e Milled from aircraft-grade aluminum and treated with a premium black hard-coat anodized layer alongside corrosion-resistant stainless steel driving hardware.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Proudly manufactured to rigorous professional tolerances to ensure lifelong field and laboratory reliability.\u003c\/li\u003e \n\u003c\/ul\u003e \n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e \n\u003ch2\u003eProduct Description\u003c\/h2\u003e \n\u003cp\u003e \n    The dedicated quick-release \u003cstrong\u003e25mm Micrometer Adjusting Macro Rail\u003c\/strong\u003e is an indispensable technical asset for serious macro, forensic, medical, and focus-stacking photographers working with paper-thin depths of field. Because tiny shifts in distance completely alter the focal plane when shooting past 1:1 or life-size ratios, standard rack-and-pinion rails lack the required micro-control mechanism. This stage overcomes that physical constraint entirely, utilizing a world-class \u003cstrong\u003eMitutoyo micrometer drive\u003c\/strong\u003e to smoothly translate your entire camera rig forward or backward in absolute 0.01mm micro-incremental steps.\n\u003c\/p\u003e \n\u003cp\u003e \n    A core mechanical advantage of this model is its fully customizable, indexable slider stage. By utilizing a unified locking center screw paired with heavy-duty anti-twist indexing dowel pins, the quick release clamp can be re-oriented into \u003cstrong\u003e4 separate positions\u003c\/strong\u003e (90-degree steps). This flexible architecture lets you easily choose whether the clamp opens parallel or perpendicular to the adjustment axis, making it completely adaptable to varying camera brackets, base plates, or telephoto lens collars. \n\u003c\/p\u003e \n\u003cp\u003e \n    Engineered to confidently manage heavy professional setups, this macro rail features a completely rigid unibody frame that eliminates mechanical flexing or slop. The integration of premium \u003cstrong\u003eDelrin® Acetal Resin\u003c\/strong\u003e inside the slider track ensures nonabrasive movement and long-term wear resistance without requiring debris-trapping wet lubricants. Whether configured horizontally for field work up to 15 lbs, or locked vertically on a laboratory copy stand at a 10 lbs capacity, this USA-made focusing rail delivers the rock-solid tracking performance your extreme macro photography demands.\n\u003c\/p\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701616738409,"sku":"MS4-1","price":350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/MS4-1.jpg?v=1793673981"},{"product_id":"25mm-adjusting-screw-macro-focusing-rail-100-tpi","title":"25mm Adjusting Screw Macro Focusing Rail | High-Precision 100 TPI","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e \n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e \n    \u003cstrong\u003eArca-Swiss Style 25mm Adjusting Screw Macro Rail (High-Precision 100 TPI)\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e \n\u003ch1\u003e25mm Adjusting Screw Macro Focusing Rail | High-Precision 100 TPI\u003c\/h1\u003e \n\u003cp\u003e\n    This premium \u003cstrong\u003e25mm adjusting screw macro rail\u003c\/strong\u003e is an ultra-precise, high-performance linear stage custom-designed for extreme close-up photography, scientific imaging, and focus stacking workflows. Featuring a built-in Arca-Swiss compatible base track and an integrated quick release receiver clamp, it allows for exceptionally fine focus modifications. Driven by a \u003cstrong\u003ehigh-precision 100 TPI (threads per inch) adjustment screw\u003c\/strong\u003e, this stage delivers micro-incremental positioning without the premium cost of sub-millimeter micrometers.\n\u003c\/p\u003e \n\u003chr\u003e \n\n\u003c!-- ===================== QUICK OVERVIEW \u0026 KEY FEATURES ===================== --\u003e \n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePrecision Travel Range:\u003c\/strong\u003e Delivers 0 to 22.5mm of fluid linear travel for fine-tuning camera-to-subject focal distances.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eHigh-Precision 100 TPI Lead Screw:\u003c\/strong\u003e Ultra-fine pitch (100 turns per inch) mechanism enables precise sub-millimeter positional increments.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCost-Effective Micro Alignment:\u003c\/strong\u003e Serves as an affordable, high-precision alternative to industrial micrometers when physical scale readouts are not required.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003e4-Position Indexable Clamp:\u003c\/strong\u003e Integrated quick release slider clamp can be rotated and locked securely in 4 distinct orientations using the center screw and robust alignment dowel pins.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eVertical Weight Capacity:\u003c\/strong\u003e Supports up to a 10 lbs load when configured in a 90-degree orientation (completely perpendicular to the ground).\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eHorizontal Weight Capacity:\u003c\/strong\u003e Effortlessly holds up to a 15 lbs load when locked in a horizontal orientation (completely parallel to the ground).\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eUniversal Arca Standard:\u003c\/strong\u003e Dovetail profile on the base rail ensures a flawless, wiggle-free fit inside standard quick release clamps from RRS, Kirk, Wimberley, and Leofoto.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Materials \u0026amp; Finish:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum with a durable black hard-coat anodized finish.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Proudly manufactured to rigorous professional tolerances with corrosion-resistant stainless steel driving hardware.\u003c\/li\u003e \n\u003c\/ul\u003e \n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e \n\u003ch2\u003eProduct Description\u003c\/h2\u003e \n\u003cp\u003e \n    The premium \u003cstrong\u003eHejnar Photo 25mm Adjusting Screw Macro Rail\u003c\/strong\u003e is an essential technical asset for serious macro, forensic, and entomology photographers who require flawless stability during extreme magnification imaging. Because tiny shifts in distance dramatically alter the depth of field when shooting past 1:1 ratios, generic rack-and-pinion rails lack the necessary fine-control mechanism. This stage overcomes that physical constraint entirely with its high-precision \u003cstrong\u003e100 TPI lead screw drive\u003c\/strong\u003e, allowing you to fluidly shift your lens plane forward or backward in microscopic increments to locate critical detail with absolute certainty.\n\u003c\/p\u003e \n\u003cp\u003e \n    A core mechanical advantage of this model is its fully customizable, indexable slider stage. By utilizing a unified locking center screw paired with heavy-duty anti-twist indexing dowel pins, the quick release clamp can be re-oriented into \u003cstrong\u003e4 separate positions\u003c\/strong\u003e. This design lets you easily choose whether the clamp opens parallel or perpendicular to the adjustment rail, making it completely adaptable to varying camera brackets, base plates, or telephoto lens collars. \n\u003c\/p\u003e \n\u003cp\u003e \n    Engineered to confidently manage heavy professional setups, this macro rail features a completely rigid unibody frame that eliminates focus drift or sagging. When oriented vertically at a 90-degree angle for copy-stand work or downward laboratory setups, it rigidly supports assemblies weighing up to 10 lbs. For traditional ground-level outdoor tracking, its horizontal load handling expands to a massive 15 lbs capacity. Machined in the USA from solid aluminum with custom-machined steel hardware, this focusing rail delivers the rock-solid tracking performance your technical image stacking demands.\n\u003c\/p\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701616771177,"sku":"MS4-100-1","price":310.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/0001_MS4-100-1.jpg?v=1793717621"},{"product_id":"50mm-adjusting-screw-macro-focusing-rail-100-tpi","title":"50mm Adjusting Screw Macro Focusing Rail | High-Precision 100 TPI","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e \n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e \n    \u003cstrong\u003eArca-Swiss Style 50mm Adjusting Screw Macro Rail (High-Precision 100 TPI)\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e \n\u003ch1\u003e50mm Adjusting Screw Macro Focusing Rail | High-Precision 100 TPI\u003c\/h1\u003e \n\u003cp\u003e\n    This premium \u003cstrong\u003e50mm adjusting screw macro rail\u003c\/strong\u003e is an ultra-precise, high-performance linear stage custom-designed for extreme close-up photography, scientific imaging, and focus stacking workflows. Featuring a built-in Arca-Swiss compatible base track and an integrated quick release receiver clamp, it allows for exceptionally fine focus modifications. Driven by a \u003cstrong\u003ehigh-precision 100 TPI (threads per inch) adjustment screw\u003c\/strong\u003e, this stage delivers micro-incremental positioning without the premium cost of sub-millimeter micrometers.\n\u003c\/p\u003e \n\u003chr\u003e \n\n\u003c!-- ===================== QUICK OVERVIEW \u0026 KEY FEATURES ===================== --\u003e \n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePrecision Travel Range:\u003c\/strong\u003e Delivers 0 to 50mm of fluid linear travel for fine-tuning camera-to-subject focal distances.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eHigh-Precision 100 TPI Lead Screw:\u003c\/strong\u003e Ultra-fine pitch (100 turns per inch) mechanism enables precise sub-millimeter positional increments.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCost-Effective Micro Alignment:\u003c\/strong\u003e Serves as an affordable, high-precision alternative to industrial micrometers when physical scale readouts are not required.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003e4-Position Indexable Clamp:\u003c\/strong\u003e Integrated quick release slider clamp can be rotated and locked securely in 4 distinct orientations using the center screw and robust alignment dowel pins.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eVertical Weight Capacity:\u003c\/strong\u003e Supports up to a 10 lbs load when configured in a 90-degree orientation (completely perpendicular to the ground).\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eHorizontal Weight Capacity:\u003c\/strong\u003e Effortlessly holds up to a 15 lbs load when locked in a horizontal orientation (completely parallel to the ground).\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eUniversal Arca Standard:\u003c\/strong\u003e Dovetail profile on the base rail ensures a flawless, wiggle-free fit inside standard quick release clamps from RRS, Kirk, Wimberley, and Leofoto.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Materials \u0026amp; Finish:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum with a durable black hard-coat anodized finish.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Proudly manufactured to rigorous professional tolerances with corrosion-resistant stainless steel driving hardware.\u003c\/li\u003e \n\u003c\/ul\u003e \n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e \n\u003ch2\u003eProduct Description\u003c\/h2\u003e \n\u003cp\u003e \n    The premium \u003cstrong\u003eHejnar Photo 50mm Adjusting Screw Macro Rail\u003c\/strong\u003e is an essential technical asset for serious macro, forensic, and entomology photographers who require flawless stability during extreme magnification imaging. Because tiny shifts in distance dramatically alter the depth of field when shooting past 1:1 ratios, generic rack-and-pinion rails lack the necessary fine-control mechanism. This stage overcomes that physical constraint with its high-precision \u003cstrong\u003e100 TPI lead screw drive\u003c\/strong\u003e, allowing you to fluidly shift your lens plane forward or backward in microscopic increments to locate critical detail with absolute certainty.\n\u003c\/p\u003e \n\u003cp\u003e \n    A core mechanical advantage of this model is its fully customizable, indexable slider stage. By utilizing a unified locking center screw paired with heavy-duty anti-twist indexing dowel pins, the quick release clamp can be re-oriented into \u003cstrong\u003e4 separate positions\u003c\/strong\u003e. This design lets you easily choose whether the clamp opens parallel or perpendicular to the adjustment rail, making it completely adaptable to varying camera brackets, base plates, or telephoto lens collars. \n\u003c\/p\u003e \n\u003cp\u003e \n    Engineered to confidently manage heavy professional setups, this macro rail features a completely rigid unibody frame that eliminates focus drift or sagging. When oriented vertically at a 90-degree angle for copy-stand work or downward laboratory setups, it rigidly supports assemblies weighing up to 10 lbs. For traditional ground-level outdoor tracking, its horizontal load handling expands to a massive 15 lbs capacity. Machined in the USA from solid aluminum with custom-machined steel hardware, this focusing rail delivers the rock-solid tracking performance your technical image stacking demands.\n\u003c\/p\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701616803945,"sku":"MS4-100-2","price":360.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/0001_MS4-100-2.jpg?v=1793717505"},{"product_id":"25mm-micrometer-adjusting-macro-rail-0-001mm-gradu","title":"25mm Micrometer Adjusting Macro Rail | Mitutoyo Head Ultra-Precision","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e \n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e \n    \u003cstrong\u003eHejnar Photo Professional 25mm Micrometer Adjusting Macro Rail with 0.001mm Graduation\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e \n\u003ch1\u003e25mm Micrometer Adjusting Macro Rail | Mitutoyo Head Ultra-Precision\u003c\/h1\u003e \n\u003cp\u003e\n    The \u003cstrong\u003e25mm Micrometer Adjusting Macro Rail\u003c\/strong\u003e is an ultra-precise, laboratory-grade linear stage custom-designed for extreme high-magnification close-up photography, micro-forensics, and advanced focus stacking workflows. Driven by a world-class \u003cstrong\u003eMitutoyo micrometer head\u003c\/strong\u003e, this linear stage delivers sub-micron positional control with an astonishing \u003cstrong\u003e0.001mm graduation resolution\u003c\/strong\u003e. Built with a fully integrated Arca-Swiss compatible bottom dovetail and a highly adaptable quick-release slider clamp, it provides the uncompromising structural stability required for serious professional setups.\n\u003c\/p\u003e \n\u003chr\u003e \n\n\u003c!-- ===================== QUICK OVERVIEW \u0026 KEY FEATURES ===================== --\u003e \n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eGenuine Mitutoyo Micrometer Head:\u003c\/strong\u003e High-end precision mechanism delivers a 0–25mm travel range with ultra-fine, microscopic 0.001mm graduation increments.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFully Indexable Scale:\u003c\/strong\u003e The micrometer head assembly can be rotated and oriented in any direction to accommodate unique working angles, with the default scale position facing upward.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e4-Position Indexable Clamp:\u003c\/strong\u003e Integrated quick release slider clamp can be unbolted, rotated, and locked securely in 4 distinct orientations using a central locking screw and robust anti-twist indexing dowel pins.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eUniversal Arca-Swiss Base:\u003c\/strong\u003e Built-in bottom dovetail rail ensures a perfect, zero-play lock inside standard quick-release clamps from RRS, Markins, Wimberley, Kirk, Vanguard ABH, and Leofoto.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eVertical Weight Capacity:\u003c\/strong\u003e Rigidly supports up to a 10 lbs load when configured in a 90-degree vertical orientation (completely perpendicular to the ground) without focus drift or sagging.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eHorizontal Weight Capacity:\u003c\/strong\u003e Effortlessly holds up to a 15 lbs load when locked in a horizontal orientation (completely parallel to the ground) under full dynamic weight.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Materials \u0026amp; Finish:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum with a durable black hard-coat anodized finish and stainless steel hardware.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Proudly manufactured to rigorous professional tolerances to ensure lifelong field and laboratory reliability.\u003c\/li\u003e \n\u003c\/ul\u003e \n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e \n\u003ch2\u003eProduct Description\u003c\/h2\u003e \n\u003cp\u003e \n    The premium \u003cstrong\u003e25mm Micrometer Adjusting Macro Rail\u003c\/strong\u003e is an indispensable technical asset for serious macro, forensic, medical, and focus-stacking photographers working with paper-thin depths of field. Because tiny shifts in distance completely alter the focal plane when shooting past life-size reproduction ratios, standard rack-and-pinion rails lack the required micro-control mechanism. This stage overcomes that physical constraint entirely, utilizing an ultra-high-resolution \u003cstrong\u003eMitutoyo micrometer drive\u003c\/strong\u003e to smoothly translate your entire camera rig forward or backward in absolute 0.001mm sub-micron steps, giving you complete command over your focal plane alignment.\n\u003c\/p\u003e \n\u003cp\u003e \n    A core mechanical advantage of this model is its fully customizable, indexable slider stage. By utilizing a unified locking center screw paired with heavy-duty anti-twist indexing dowel pins, the quick release clamp can be re-oriented into \u003cstrong\u003e4 separate positions\u003c\/strong\u003e (90-degree steps). This flexible architecture lets you easily choose whether the clamp opens parallel or perpendicular to the adjustment axis, making it completely adaptable to varying camera brackets, base plates, or telephoto lens collars. Additionally, the micrometer barrel itself can be rotated to whichever orientation best suits your eye, allowing the engraved scale to face up, down, or sideways.\n\u003c\/p\u003e \n\u003cp\u003e \n    Engineered to confidently manage heavy professional setups, this macro rail features a completely rigid unibody frame that eliminates mechanical flexing or slop. It acts as a highly cost-effective alternative to complete microscope stages when a position readout is not mandatory. Whether configured horizontally for field work up to 15 lbs, or locked vertically on a laboratory copy stand at a 10 lbs capacity, this USA-made focusing rail delivers the rock-solid tracking performance your extreme macro photography demands.\n\u003c\/p\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701616836713,"sku":"MS4-1DS","price":590.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/MS4-1DS.jpg?v=1793674069"},{"product_id":"50mm-micrometer-adjusting-macro-rail-mitutoyo","title":"50mm Micrometer Adjusting Macro Rail | Mitutoyo Precision Drive","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e \n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e \n    \u003cstrong\u003eHejnar Photo Professional 50mm Micrometer Adjusting Macro Rail\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e \n\u003ch1\u003e50mm Micrometer Adjusting Macro Rail | Mitutoyo Precision Drive\u003c\/h1\u003e \n\u003cp\u003e\n    The \u003cstrong\u003e50mm Micrometer Adjusting Macro Rail\u003c\/strong\u003e is a studio-grade precision instrument engineered for high-magnification close-up photography, scientific lab imaging, and critical optical alignment tasks. Driven by a world-class \u003cstrong\u003eMitutoyo micrometer head\u003c\/strong\u003e, this linear stage enables ultra-fine camera-to-subject distance control with a generous 50mm range. Built with an Arca-Swiss compatible bottom dovetail and a highly adaptable quick-release slider clamp, it offers the uncompromising stability required for professional studio and demanding technical workflows.\n\u003c\/p\u003e \n\u003chr\u003e \n\n\u003c!-- ===================== QUICK OVERVIEW \u0026 KEY FEATURES ===================== --\u003e \n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eExtended Micrometer Range:\u003c\/strong\u003e Features a genuine Mitutoyo micrometer head providing a 0–50mm travel range with precise, readable 0.01mm graduation increments.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFully Rotatable Barrel Assembly:\u003c\/strong\u003e The micrometer head can be turned and oriented in any direction to fit your physical workflow, with the default scale facing upward.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e4-Position Indexable Clamp:\u003c\/strong\u003e Slider block is equipped with a quick-release clamp that can be unbolted and locked in four distinct orientations using a central locking screw and anti-twist dowel pins.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eUniversal Arca Dovetail Base:\u003c\/strong\u003e The bottom rail features an Arca-Swiss compatible dovetail profile for seamless, wiggle-free integration with standard clamps, gimbals, and ball heads.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eVertical Weight Capacity:\u003c\/strong\u003e Built to handle demanding vertical configurations, rigidly supporting loads up to 4kg (approx. 8.8 lbs) perpendicular to the ground.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eHorizontal Weight Capacity:\u003c\/strong\u003e Confidently holds up to 15 lbs (parallel to the ground) under full camera and lens weight.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Engineering Materials:\u003c\/strong\u003e Precision CNC-machined from a solid block of aircraft-grade aluminum, high-grade stainless steel hardware, and an ultra-smooth Delrin® Acetal Resin slider mechanism.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eDurable Mil-Spec Finish:\u003c\/strong\u003e Treated with a satin black hard-coat anodized surface layer for superior wear, scratch, and corrosion resistance.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Proudly manufactured to rigorous professional tolerances to ensure lifelong field and laboratory reliability.\u003c\/li\u003e \n\u003c\/ul\u003e \n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e \n\u003ch2\u003eProduct Description\u003c\/h2\u003e \n\u003cp\u003e \n    The premium \u003cstrong\u003e50mm Micrometer Adjusting Macro Rail\u003c\/strong\u003e cleanly resolves the intense challenge of managing a razor-thin depth of field in macro photography and focus-stacking workflows. Because minute shifts in distance completely alter the focal plane when shooting past life-size reproduction ratios, standard rack-and-pinion rails lack the necessary control. This stage overcomes that physical constraint entirely, utilizing a high-end \u003cstrong\u003eMitutoyo micrometer drive\u003c\/strong\u003e to translate your entire camera rig forward or backward in absolute 0.01mm micro-incremental steps.\n\u003c\/p\u003e \n\u003cp\u003e \n    A core mechanical advantage of this model is its fully customizable, indexable slider stage. By utilizing a unified locking center screw paired with heavy-duty anti-twist indexing dowel pins, the quick-release clamp can be re-oriented into \u003cstrong\u003e4 separate positions\u003c\/strong\u003e (90-degree steps). This flexible architecture lets you easily choose whether the clamp opens parallel or perpendicular to the adjustment axis, making it completely adaptable to varying camera brackets, base plates, or telephoto lens collars. Additionally, the micrometer barrel itself can be rotated to whichever orientation best suits your eye, allowing the engraved scale to face up, down, or sideways.\n\u003c\/p\u003e \n\u003cp\u003e \n    Engineered to confidently manage heavy professional setups, this macro rail features a completely rigid unibody frame that eliminates mechanical flexing or slop. The integration of premium \u003cstrong\u003eDelrin® Acetal Resin\u003c\/strong\u003e inside the slider track ensures nonabrasive movement and long-term wear resistance without requiring debris-trapping wet lubricants. Whether configured horizontally for field work up to 15 lbs, or locked vertically on a laboratory copy stand at a 4kg capacity, this USA-made focusing rail delivers the rock-solid tracking performance your extreme macro photography demands.\n\u003c\/p\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701616869481,"sku":"MS4-2","price":550.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/0001_MS4-2.jpg?v=1793745476"},{"product_id":"50mm-adjusting-screw-macro-focusing-rail-20-tpi","title":"50mm Adjusting Screw Macro Focusing Rail | Precision 20 TPI","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e \n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e \n    \u003cstrong\u003eArca-Swiss Style 50mm Adjusting Screw Macro Rail (Precision 20 TPI)\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e \n\u003ch1\u003e50mm Adjusting Screw Macro Focusing Rail | Precision 20 TPI\u003c\/h1\u003e \n\u003cp\u003e\n    This precision-engineered \u003cstrong\u003e50mm adjusting screw macro rail\u003c\/strong\u003e is a reliable, high-performance linear stage custom-designed for close-up photography, field macro tracking, and focus stacking workflows. Featuring a built-in Arca-Swiss compatible base track and an integrated quick release receiver clamp, it allows for smooth focus modifications. Driven by a \u003cstrong\u003eprecision 20 TPI (threads per inch) adjustment screw\u003c\/strong\u003e, this stage delivers fast yet fine positioning adjustments without the premium cost of sub-millimeter micrometers.\n\u003c\/p\u003e \n\u003chr\u003e \n\n\u003c!-- ===================== QUICK OVERVIEW \u0026 KEY FEATURES ===================== --\u003e \n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePrecision Travel Range:\u003c\/strong\u003e Delivers 0 to 50mm of fluid linear travel for fine-tuning camera-to-subject focal distances.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePrecision 20 TPI Lead Screw:\u003c\/strong\u003e 20 turns per inch mechanism enables a perfect balance of smooth, responsive travel and precise incremental positioning.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eCost-Effective Micro Alignment:\u003c\/strong\u003e Serves as an affordable, high-precision alternative to industrial micrometers when physical scale readouts are not required.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003e4-Position Indexable Clamp:\u003c\/strong\u003e Integrated quick release slider clamp can be rotated and locked securely in 4 distinct orientations using the center screw and robust alignment dowel pins.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eVertical Weight Capacity:\u003c\/strong\u003e Supports up to a 10 lbs load when configured in a 90-degree orientation (completely perpendicular to the ground).\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eHorizontal Weight Capacity:\u003c\/strong\u003e Effortlessly holds up to a 15 lbs load when locked in a horizontal orientation (completely parallel to the ground).\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eUniversal Arca Standard:\u003c\/strong\u003e Dovetail profile on the base rail ensures a flawless, wiggle-free fit inside standard quick release clamps from RRS, Kirk, Wimberley, and Leofoto.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003ePremium Materials \u0026amp; Finish:\u003c\/strong\u003e Precision CNC-machined from solid 6061-T6 aircraft-grade aluminum with a durable black hard-coat anodized surface.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Proudly manufactured to rigorous professional tolerances with corrosion-resistant stainless steel driving hardware.\u003c\/li\u003e \n\u003c\/ul\u003e \n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e \n\u003ch2\u003eProduct Description\u003c\/h2\u003e \n\u003cp\u003e \n    The premium \u003cstrong\u003eHejnar Photo 50mm Adjusting Screw Macro Rail (20 TPI)\u003c\/strong\u003e is an essential technical asset for serious macro, landscape, and outdoor close-up photographers who require absolute stability during high-magnification imaging. Because tiny shifts in distance dramatically alter the depth of field when shooting close-up ratios, standard tripod heads lack the necessary control. This stage overcomes that physical constraint with its precision \u003cstrong\u003e20 TPI lead screw drive\u003c\/strong\u003e, allowing you to fluidly and quickly shift your camera plane forward or backward to locate critical detail with absolute certainty.\n\u003c\/p\u003e \n\u003cp\u003e \n    A core mechanical feature of this model is its fully customizable, indexable slider stage. By utilizing a unified locking center screw paired with heavy-duty anti-twist indexing dowel pins, the quick release clamp can be re-oriented into \u003cstrong\u003e4 separate positions\u003c\/strong\u003e. This design lets you easily choose whether the clamp opens parallel or perpendicular to the adjustment rail, making it completely adaptable to varying camera brackets, base plates, or telephoto lens collars. \n\u003c\/p\u003e \n\u003cp\u003e \n    Engineered to confidently manage heavy professional setups, this macro rail features a completely rigid unibody frame that eliminates focus drift or sagging. When oriented vertically at a 90-degree angle for copy-stand work or downward laboratory setups, it rigidly supports assemblies weighing up to 10 lbs. For traditional ground-level outdoor tracking, its horizontal load handling expands to a massive 15 lbs capacity. Machined in the USA from solid aluminum with custom-machined steel hardware, this focusing rail delivers the rock-solid tracking performance your technical imagery demands.\n\u003c\/p\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701616902249,"sku":"MS4-20-2","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/0001_MS4-20-2.jpg?v=1793718398"},{"product_id":"8-inch-screw-adjusting-macro-rail-digital-scale","title":"8\" Screw Adjusting Macro Rail with Integrated Digital Scale","description":"\u003c!-- ===================== GRAY HEADER BANNER ===================== --\u003e \n\u003cdiv style=\"background:#f4f4f4; border-left:4px solid #333; padding:15px; margin-bottom:25px; font-family:Arial, sans-serif;\"\u003e \n    \u003cstrong style=\"font-size:18px; color:#222;\"\u003e8-Inch Screw Adjusting Macro Rail with Digital Scale – Made in USA\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== H1 SEO HEADLINE ===================== --\u003e\n\u003ch1 style=\"font-family:Arial, sans-serif; font-size:24px; color:#111; margin-bottom:20px; line-height:1.3;\"\u003e8\" Screw Adjusting Macro Rail with Integrated Digital Scale\u003c\/h1\u003e\n\n\u003c!-- ===================== INTRODUCTORY OVERVIEW ===================== --\u003e \n\u003cdiv style=\"font-family:Arial, sans-serif; line-height:1.6; color:#333; margin-bottom:25px;\"\u003e\n    \u003cp style=\"font-size:15px;\"\u003eThe \u003cstrong\u003eHejnar Photo 8-Inch Screw Adjusting Macro Rail with Digital Scale\u003c\/strong\u003e provides professional-grade precision for focus stacking and technical macro photography. This linear motion lead screw micro rail combines a rugged mechanical drive with a digital readout, allowing for pinpoint positioning accuracy down to 0.001 inch (0.025 mm). Built in the USA from 6061-T6 aluminum, it features advanced self-aligning linear bearings and a ceramic-coated finish for lifelong performance in demanding environments.\u003c\/p\u003e \n\u003c\/div\u003e\n\n\u003chr style=\"border:0; border-top:1px solid #ddd; margin:25px 0;\"\u003e \n\n\u003c!-- ===================== KEY FEATURES SECTION ===================== --\u003e \n\u003cdiv style=\"font-family:Arial, sans-serif; margin-bottom:25px;\"\u003e\n    \u003ch2 style=\"font-size:20px; color:#111; margin-bottom:15px; border-bottom:1px solid #ccc; padding-bottom:5px;\"\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e \n    \u003cul style=\"padding-left:20px; line-height:1.8; font-size:14px;\"\u003e \n        \u003cli\u003e\n\u003cstrong\u003eIntegrated Digital Scale:\u003c\/strong\u003e Features instant conversion between metric and imperial readings and a zeroing function at any position for precise relative adjustments.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eMicro-Fine Incremental Adjustments:\u003c\/strong\u003e Lead screw delivers 1.06 mm of travel per revolution, while the digital readout enables 0.001 inch (0.025 mm) precision.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eSelf-Aligning Linear Sleeve Bearings:\u003c\/strong\u003e Equipped with a nonabrasive, chemical-resistant PTFE liner for smooth, maintenance-free operation without added lubrication.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eCeramic-Coated Aluminum Shell:\u003c\/strong\u003e A 0.002\" thick ceramic coating provides superior corrosion resistance across a massive temperature range of –400° to +375° F.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eFast Positioning System:\u003c\/strong\u003e Press the slider release button to quickly slide the carriage to the target position before engaging fine screw adjustments.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003e4-Position Quick Release Clamp:\u003c\/strong\u003e Top Arca-style clamp can be oriented in 90-degree increments to accommodate various camera or rig configurations.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eLoad Capacity:\u003c\/strong\u003e Supports heavy setups up to 15 lbs horizontally and up to 10 lbs in a 90-degree vertical orientation.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eTravel Distance:\u003c\/strong\u003e Offers a generous maximum travel distance of 4.00 inches (101.6 mm).\u003c\/li\u003e \n    \u003c\/ul\u003e \n\u003c\/div\u003e\n\n\u003chr style=\"border:0; border-top:1px solid #ddd; margin:25px 0;\"\u003e \n\n\u003c!-- ===================== DETAILED PRODUCT DESCRIPTION ===================== --\u003e \n\u003cdiv style=\"font-family:Arial, sans-serif; line-height:1.6; color:#333;\"\u003e\n    \u003ch2 style=\"font-size:20px; color:#111; margin-bottom:15px; border-bottom:1px solid #ccc; padding-bottom:5px;\"\u003eComprehensive Product Description\u003c\/h2\u003e \n    \u003cp style=\"font-size:14px; margin-bottom:15px;\"\u003eThe 8-Inch Screw Adjusting Macro Rail with Digital Scale is a high-performance solution for photographers who require the absolute highest level of accuracy. By utilizing a digital display, this rail removes the guesswork from focus stacking, allowing you to move your camera in uniform, microscopic steps. The dual-mode digital head provides instant inch\/mm toggling, ensuring it fits perfectly into any technical workflow.\u003c\/p\u003e \n    \n    \u003cp style=\"font-size:14px; margin-bottom:15px;\"\u003eReliability is engineered into every component. The lead screw drive is housed in a ceramic-coated aluminum frame, shielding it from the elements and ensuring it remains corrosion-free even in humid or freezing field conditions. The PTFE-lined bearing system ensures that the slide remains smooth and free of play, even when carrying heavy professional camera bodies and macro lenses weighing up to 15 lbs.\u003c\/p\u003e \n    \n    \u003cp style=\"font-size:14px;\"\u003eCompatibility is universal within the Arca-Swiss ecosystem. The bottom rail features a standard dovetail that works with RRS, Kirk, and Wimberley clamps, while the top quick-release clamp is fully repositionable. Whether you are performing high-magnification lab imaging or shooting in the field, this rail provides the uncompromising stability and precision that define Hejnar Photo hardware.\u003c\/p\u003e \n\u003c\/div\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701616935017,"sku":"MS5DSP","price":525.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/0001_MS5DSP.jpg?v=1793718075"},{"product_id":"hejnar-photo-10-inch-lead-screw-micro-focusing-rai","title":"10 Inch Lead Screw Micro Focusing Rail with Arca-Swiss Clamp","description":"\u003c!-- ===================== GRAY HEADER BANNER ===================== --\u003e \n\u003cdiv style=\"background:#f4f4f4; border-left:4px solid #333; padding:15px; margin-bottom:25px; font-family:Arial, sans-serif;\"\u003e \n    \u003cstrong style=\"font-size:18px; color:#222;\"\u003e10-Inch Lead Screw Micro Focusing Rail with Quick Release Clamp – Made in USA\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== H1 SEO HEADLINE ===================== --\u003e\n\u003ch1 style=\"font-family:Arial, sans-serif; font-size:24px; color:#111; margin-bottom:20px; line-height:1.3;\"\u003e10 Inch Lead Screw Micro Focusing Rail with Arca-Swiss Clamp\u003c\/h1\u003e\n\n\u003c!-- ===================== INTRODUCTORY OVERVIEW ===================== --\u003e \n\u003cdiv style=\"font-family:Arial, sans-serif; line-height:1.6; color:#333; margin-bottom:25px;\"\u003e\n    \u003cp style=\"font-size:15px;\"\u003eAchieve flawless focus stacking and ultra-precise camera alignment with this premium \u003cstrong\u003e10-Inch Lead Screw Micro Focusing Rail\u003c\/strong\u003e. Proudly engineered and manufactured in the USA, this heavy-duty macro slider delivers mathematical precision for high-magnification photography. Featuring a dual-positioning system, it allows for instant macro adjustments alongside micro-fine knob turns down to 0.1mm increments. Built with an Arca-compatible base and a modular quick-release clamp, it provides the uncompromising stability required for professional studio and field workflows.\u003c\/p\u003e \n\u003c\/div\u003e\n\n\u003chr style=\"border:0; border-top:1px solid #ddd; margin:25px 0 Pap;\"\u003e \n\n\u003c!-- ===================== KEY FEATURES SECTION ===================== --\u003e \n\u003cdiv style=\"font-family:Arial, sans-serif; margin-bottom:25px;\"\u003e\n    \u003ch2 style=\"font-size:20px; color:#111; margin-bottom:15px; border-bottom:1px solid #ccc; padding-bottom:5px;\"\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e \n    \u003cul style=\"padding-left:20px; line-height:1.8; font-size:14px;\"\u003e \n        \u003cli\u003e\n\u003cstrong\u003eMicro-Fine Lead Screw Drive:\u003c\/strong\u003e Delivers exactly 1.06 mm (0.0416\") of travel per full revolution for ultra-precise focusing.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eSub-Millimeter Increments:\u003c\/strong\u003e Features a graduated scale providing 0.1 mm (0.004\") of linear movement per division.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eFast-Positioning Release Button:\u003c\/strong\u003e Instantly disengages the lead screw to slide the stage quickly into position without tedious cranking.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003e4-Position Quick Release Clamp:\u003c\/strong\u003e Integrated top clamp can be reoriented in 90-degree steps to match any camera body or lens plate layout.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eArca-Swiss Base Geometry:\u003c\/strong\u003e The bottom rail features an integrated double-dovetail profile that locks into standard Arca-style tripod clamps.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eGenerous Adjustment Span:\u003c\/strong\u003e Offers a maximum micro-travel distance of up to 6.3 inches.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHigh Load Capacity:\u003c\/strong\u003e Robust mechanics support up to 15 lbs horizontally (parallel to ground) and up to 10 lbs vertically (90 degrees perpendicular).\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eAmerican Craftsmanship:\u003c\/strong\u003e Machined and assembled in the USA with strict tolerances for professional-grade reliability.\u003c\/li\u003e \n    \u003c\/ul\u003e \n\u003c\/div\u003e\n\n\u003chr style=\"border:0; border-top:1px solid #ddd; margin:25px 0;\"\u003e \n\n\u003c!-- ===================== DETAILED PRODUCT DESCRIPTION ===================== --\u003e \n\u003cdiv style=\"font-family:Arial, sans-serif; line-height:1.6; color:#333;\"\u003e\n    \u003ch2 style=\"font-size:20px; color:#111; margin-bottom:15px; border-bottom:1px solid #ccc; padding-bottom:5px;\"\u003eComprehensive Product Description\u003c\/h2\u003e \n    \u003cp style=\"font-size:14px; margin-bottom:15px;\"\u003eThe 10-Inch Lead Screw Micro Focusing Rail is an indispensable tool for macro, product, and scientific photography where depth of field is razor-thin. By moving the camera sensor rather than adjusting the lens focus ring, this rail maintains a constant reproduction ratio, allowing you to systematically capture perfect image slices for focus stacking software.\u003c\/p\u003e \n    \n    \u003cp style=\"font-size:14px; margin-bottom:15px;\"\u003eThis rail features a dual-drive system designed for efficient field use. For rough framing, simply press the quick-release stage button to slide the camera freely along the 6.3-inch travel path. Once close to your subject, release the button to engage the high-precision lead screw mechanism. Turning the control knob allows you to dial in your focal plane with microscopic control. Each incremental mark on the adjustment scale translates to an ultra-fine 0.1mm of travel, while a complete 360-degree rotation advances the camera exactly 1.06mm.\u003c\/p\u003e \n    \n    \u003cp style=\"font-size:14px;\"\u003eMounting and rig integration are completely seamless. The base rail slides directly into any standard Arca-Swiss compatible tripod head clamp. On top, the slider stage is equipped with a premium quick-release clamp that can be repositioned in four different orientations. This modular flexibility allows you to run your camera setup parallel or perpendicular to the rail footprint. Engineered to manage hefty professional setups, its rigid construction safely holds heavy telephoto and macro lens configurations up to 15 lbs horizontally, and up to 10 lbs in a vertical orientation for down-angle studio work.\u003c\/p\u003e \n\u003c\/div\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701616967785,"sku":"MS5P-10-KS","price":375.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/MS5P-10-KS_003.jpg?v=1793717781"},{"product_id":"hejnar-photo-8-inch-screw-adjusting-arca-swiss-mac","title":"8-Inch Screw Adjusting Arca-Swiss Macro Rail | Made in USA","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e \n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e \n    \u003cstrong\u003eHejnar Photo 8-Inch Arca-Swiss Screw Adjusting Macro Rail with 0.004\" Fine Control\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e \n\u003ch1\u003e8-Inch Screw Adjusting Arca-Swiss Macro Rail | Made in USA\u003c\/h1\u003e \n\u003cp\u003e\n    The \u003cstrong\u003eHejnar Photo 8-Inch Screw Adjusting Macro Rail\u003c\/strong\u003e is a professional-grade precision instrument custom-tailored for high-magnification macro photography, forensic imaging, and advanced focus stacking. Utilizing an ultra-fine lead screw mechanism, this linear stage delivers an incredible \u003cstrong\u003e0.004 inch (0.1mm) sensitivity per scale division\u003c\/strong\u003e. Built with a fully integrated Arca-Swiss compatible bottom dovetail and a modular quick-release slider clamp, it offers the uncompromising stability required for professional studio and demanding field workflows.\n\u003c\/p\u003e \n\u003chr\u003e \n\n\u003c!-- ===================== QUICK OVERVIEW \u0026 KEY FEATURES ===================== --\u003e \n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e \n\u003cul\u003e \n    \u003cli\u003e\n\u003cstrong\u003eFine Precision Drive:\u003c\/strong\u003e High-resolution lead screw allows for flawless camera-to-subject focal plane adjustments in sub-millimeter increments.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eRapid Positioning Button:\u003c\/strong\u003e Features an instant-release slider button that allows for fast, coarse framing before engaging the fine lead screw drive.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eSelf-Aligning Linear Bearings:\u003c\/strong\u003e Maintenance-free, PTFE-lined bearings provide completely smooth, nonabrasive travel without requiring any debris-trapping wet lubricants.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003e4-Position Modular Clamp:\u003c\/strong\u003e The Arca-style quick release slider clamp can be unbolted and reoriented in 90-degree steps to accommodate any custom camera plate or lens foot layout.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eArca-Swiss Standard Base:\u003c\/strong\u003e Integrated bottom dovetail rail ensures a perfect, zero-play lock inside standard quick-release clamps from RRS, Kirk, Wimberley, and Leofoto.\u003c\/li\u003e \n    \u003cli\u003e\n\u003cstrong\u003eExtreme Environment Coating:\u003c\/strong\u003e Finished with a specialized 0.002\" thick ceramic hard coat for superior corrosion, wear, and chemical resistance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWide Temperature Rating:\u003c\/strong\u003e Rugged design is rated to operate flawlessly across a extreme thermal range from –400° to +375° F.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProfessional Build Quality:\u003c\/strong\u003e Precision CNC-machined from a solid block of premium 6061-T6 aircraft-grade aluminum in the USA.\u003c\/li\u003e \n\u003c\/ul\u003e \n\n\u003c!-- ===================== PRODUCT SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eSAE Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBottom Rail Length:\u003c\/strong\u003e 8.00 inches\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaximum Travel Distance:\u003c\/strong\u003e 4.30 inches\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAdjustment Resolution:\u003c\/strong\u003e 0.004 inch (0.1mm) per scale division\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLead Screw Pitch:\u003c\/strong\u003e 0.0416 inch (1.06mm) travel per full revolution\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHorizontal Load Capacity:\u003c\/strong\u003e 15 lbs (Parallel to ground)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVertical Load Capacity:\u003c\/strong\u003e 10 lbs (Perpendicular to ground)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFinish Thickness:\u003c\/strong\u003e 0.002\" Ceramic Hard Coat\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e \n\u003ch2\u003eProduct Description\u003c\/h2\u003e \n\u003cp\u003e \n    The \u003cstrong\u003eHejnar Photo 8-Inch Screw Adjusting Macro Rail\u003c\/strong\u003e is a critical engineering tool for photographers working with paper-thin depths of field. By moving your entire camera rig smoothly along a linear track rather than rotating the lens focus ring, you maintain an absolutely constant reproduction ratio. This physical constancy is essential for accurate multi-frame focus stacking, ensuring seamless software alignment and flawless rendering during post-processing.\n\u003c\/p\u003e \n\u003cp\u003e \n    Engineered to survive and perform in extreme field environments, the stage replaces traditional metal-on-metal tracks with a premium \u003cstrong\u003ePTFE-lined linear bearing system\u003c\/strong\u003e. This self-aligning architecture provides nonabrasive sliding movement and remains completely chemical-resistant. Because it operates cleanly without the need for external grease or oil, it prevents sand, grit, or outdoor debris from gumming up your adjustments during outdoor botanical or macro fieldwork. Its advanced 0.002\" ceramic armor and expansive thermal tolerance ensure absolute operational reliability from freezing sub-zero mountain ranges to scorching studio hot-lights.\n\u003c\/p\u003e \n\u003cp\u003e \n    With an impressive horizontal weight handling threshold of 15 lbs, this focusing stage comfortably manages full-frame professional DSLR or mirrorless kits paired with heavy macro primes and complex dual-flash brackets. When oriented vertically at a 90-degree angle for copy stand work or overhead lab configurations, it rigidly locks down assemblies up to 10 lbs without focus drift or sagging. Precision CNC-milled in the USA and paired with rugged stainless steel driving hardware, this macro rail delivers the uncompromising structural precision required for world-class technical imagery.\n\u003c\/p\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701617000553,"sku":"MS5P-8-KS","price":355.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/MS5P-8-KS-5_a2f1c947-23af-4bec-bf6b-fc6d4c1e2fed.jpg?v=1793670064"},{"product_id":"8-inch-screw-adjusting-macro-rail","title":"8\" Arca-Swiss Screw Adjusting Macro Rail with Fine Control","description":"\u003c!-- ===================== GRAY HEADER BANNER ===================== --\u003e \n\u003cdiv style=\"background:#f4f4f4; border-left:4px solid #333; padding:15px; margin-bottom:25px; font-family:Arial, sans-serif;\"\u003e \n    \u003cstrong style=\"font-size:18px; color:#222;\"\u003eScrew Adjusting Arca-Swiss Macro Rail – 8 Inch (USA Made)\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== H1 PRODUCT TITLE ===================== --\u003e\n\u003ch1 style=\"font-family:Arial, sans-serif; font-size:24px; color:#111; margin-bottom:20px; line-height:1.3;\"\u003e8\" Arca-Swiss Screw Adjusting Macro Rail with Fine Control\u003c\/h1\u003e\n\n\u003c!-- ===================== INTRODUCTORY OVERVIEW ===================== --\u003e \n\u003cdiv style=\"font-family:Arial, sans-serif; line-height:1.6; color:#333; margin-bottom:25px;\"\u003e\n    \u003cp style=\"font-size:15px;\"\u003eThe \u003cstrong\u003e8-Inch Screw Adjusting Macro Rail\u003c\/strong\u003e is a professional-grade precision tool engineered specifically for high-magnification macro photography and focus stacking. Proudly manufactured in the USA, this rail provides microscopic control over camera positioning using a high-precision lead screw drive. Built to interface seamlessly with Arca-Swiss compatible systems, it delivers the rock-solid stability and fine increments required for capturing minuscule details with professional clarity.\u003c\/p\u003e \n\u003c\/div\u003e\n\n\u003chr style=\"border:0; border-top:1px solid #ddd; margin:25px 0;\"\u003e \n\n\u003c!-- ===================== KEY FEATURES SECTION ===================== --\u003e \n\u003cdiv style=\"font-family:Arial, sans-serif; margin-bottom:25px;\"\u003e\n    \u003ch2 style=\"font-size:20px; color:#111; margin-bottom:15px; border-bottom:1px solid #ccc; padding-bottom:5px;\"\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e \n    \u003cul style=\"padding-left:20px; line-height:1.8; font-size:14px;\"\u003e \n        \u003cli\u003e\n\u003cstrong\u003eMicro-Fine Lead Screw Drive:\u003c\/strong\u003e Delivers exactly 1.06 mm of travel per full revolution for ultra-precise focusing.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eMaintenance-Free Linear Bearings:\u003c\/strong\u003e Uses self-aligning linear sleeve bearings with a nonabrasive, chemical-resistant PTFE liner that requires zero lubrication.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eAdvanced Ceramic Coating:\u003c\/strong\u003e Aluminum shell is treated with a 0.002\" thick ceramic layer for superior corrosion and wear resistance.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eDual Positioning System:\u003c\/strong\u003e Press the slider release button for rapid coarse framing, then engage the lead screw for pinpoint micro-adjustments.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003e4-Position Quick Release Clamp:\u003c\/strong\u003e Reorient the integrated Arca-style clamp in 90-degree increments to perfectly match your camera or rig configuration.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eRobust Load Capacity:\u003c\/strong\u003e Supports up to 15 lbs in a horizontal (parallel to ground) orientation and up to 10 lbs when positioned vertically at 90 degrees.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eExtreme Temperature Rating:\u003c\/strong\u003e Engineered to function reliably in harsh conditions ranging from –400° to +375° F.\u003c\/li\u003e \n    \u003c\/ul\u003e \n\u003c\/div\u003e\n\n\u003chr style=\"border:0; border-top:1px solid #ddd; margin:25px 0;\"\u003e \n\n\u003c!-- ===================== DETAILED PRODUCT DESCRIPTION ===================== --\u003e \n\u003cdiv style=\"font-family:Arial, sans-serif; line-height:1.6; color:#333;\"\u003e\n    \u003ch2 style=\"font-size:20px; color:#111; margin-bottom:15px; border-bottom:1px solid #ccc; padding-bottom:5px;\"\u003eComprehensive Product Description\u003c\/h2\u003e \n    \u003cp style=\"font-size:14px; margin-bottom:15px;\"\u003eThe 8-Inch Screw Adjusting Macro Rail is an essential component for any technical workflow where focal plane control is critical. By moving the entire camera rig rather than adjusting the lens focus ring, this rail maintains a consistent reproduction ratio—a non-negotiable requirement for successful focus stacking. With a maximum travel distance of 3.5 inches (89mm), it provides a generous adjustment range for a wide variety of subjects.\u003c\/p\u003e \n    \n    \u003cp style=\"font-size:14px; margin-bottom:15px;\"\u003eReliability is engineered into every surface. The bottom rail features an Arca-Swiss compatible dovetail base that interfaces directly with professional clamps from RRS, Kirk, and Markins. The slider's PTFE-lined bearings ensure smooth, friction-free movement without the need for grease that can attract dust and debris in the field. This makes the rail exceptionally suitable for outdoor macro photography and industrial lab environments alike.\u003c\/p\u003e \n    \n    \u003cp style=\"font-size:14px;\"\u003eWhether you are balancing a heavy telephoto setup or constructing a custom macro rig, this rail offers the structural rigidity and sub-millimeter precision that define Hejnar Photo hardware. Each unit is precision-machined from 6061-T6 aluminum to meet the rigorous quality standards expected by professional photographers.\u003c\/p\u003e \n\u003c\/div\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701617033321,"sku":"MS5P_8","price":335.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/MS5P-8-9.jpg?v=1793674227"},{"product_id":"8-inch-screw-adjusting-macro-rail-with-scale","title":"8\" Arca-Swiss Screw Adjusting Macro Rail with Precision Scale","description":"\u003c!-- ===================== GRAY HEADER BANNER ===================== --\u003e \n\u003cdiv style=\"background:#f4f4f4; border-left:4px solid #333; padding:15px; margin-bottom:25px; font-family:Arial, sans-serif;\"\u003e \n    \u003cstrong style=\"font-size:18px; color:#222;\"\u003e8-Inch Screw Adjusting Macro Rail with Scale – Made in USA\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== H1 SEO HEADLINE ===================== --\u003e\n\u003ch1 style=\"font-family:Arial, sans-serif; font-size:24px; color:#111; margin-bottom:20px; line-height:1.3;\"\u003e8\" Arca-Swiss Screw Adjusting Macro Rail with Precision Scale\u003c\/h1\u003e\n\n\u003c!-- ===================== INTRODUCTORY OVERVIEW ===================== --\u003e \n\u003cdiv style=\"font-family:Arial, sans-serif; line-height:1.6; color:#333; margin-bottom:25px;\"\u003e\n    \u003cp style=\"font-size:15px;\"\u003eThe \u003cstrong\u003eHejnar Photo 8-Inch Screw Adjusting Macro Rail with Scale\u003c\/strong\u003e is a precision-engineered tool designed for high-end macro photography and focus stacking. This rail features a sophisticated lead screw drive that allows for sub-millimeter camera-to-subject distance adjustments. Built with an Arca-Swiss compatible dovetail base and a modular quick-release clamp, it offers a rock-solid foundation for professional camera rigs. Proudly made in the USA, this rail is finished with a ceramic-coated aluminum shell for ultimate durability and corrosion resistance.\u003c\/p\u003e \n\u003c\/div\u003e\n\n\u003chr style=\"border:0; border-top:1px solid #ddd; margin:25px 0;\"\u003e \n\n\u003c!-- ===================== KEY FEATURES SECTION ===================== --\u003e \n\u003cdiv style=\"font-family:Arial, sans-serif; margin-bottom:25px;\"\u003e\n    \u003ch2 style=\"font-size:20px; color:#111; margin-bottom:15px; border-bottom:1px solid #ccc; padding-bottom:5px;\"\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e \n    \u003cul style=\"padding-left:20px; line-height:1.8; font-size:14px;\"\u003e \n        \u003cli\u003e\n\u003cstrong\u003ePrecision Lead Screw Drive:\u003c\/strong\u003e Delivers exactly 1.06 mm of travel per full revolution for ultra-fine focus control.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eDual-Speed Positioning:\u003c\/strong\u003e Use the slider release button for rapid coarse framing, then engage the knob for precise micro-adjustments.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eSelf-Aligning Linear Sleeve Bearings:\u003c\/strong\u003e Features a nonabrasive, chemical-resistant PTFE liner that is virtually maintenance-free and requires no lubrication.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003e4-Position Quick Release Clamp:\u003c\/strong\u003e The integrated top clamp can be oriented in 90-degree increments to accommodate various camera or L-bracket setups.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eCeramic-Coated Aluminum Construction:\u003c\/strong\u003e The aluminum shell features a 0.002\" thick ceramic coating, providing superior protection in extreme temperatures from –400° to +375° F.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eArca-Swiss Compatibility:\u003c\/strong\u003e The 8.00\" bottom rail features a dovetail profile compatible with RRS, Kirk, Wimberley, and other standard clamps.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHigh Load Capacity:\u003c\/strong\u003e Supports up to 15 lbs in a horizontal orientation and up to 10 lbs when positioned vertically.\u003c\/li\u003e \n    \u003c\/ul\u003e \n\u003c\/div\u003e\n\n\u003chr style=\"border:0; border-top:1px solid #ddd; margin:25px 0;\"\u003e \n\n\u003c!-- ===================== DETAILED PRODUCT DESCRIPTION ===================== --\u003e \n\u003cdiv style=\"font-family:Arial, sans-serif; line-height:1.6; color:#333;\"\u003e\n    \u003ch2 style=\"font-size:20px; color:#111; margin-bottom:15px; border-bottom:1px solid #ccc; padding-bottom:5px;\"\u003eComprehensive Product Description\u003c\/h2\u003e \n    \u003cp style=\"font-size:14px; margin-bottom:15px;\"\u003eThe 8-Inch Screw Adjusting Macro Rail with Scale is a true professional-grade component for technical photographers. By moving the entire camera rig instead of the lens focus ring, this rail allows for precise focus stacking while maintaining a consistent reproduction ratio. With an overall length of 10.50 inches and a 3.5-inch maximum travel distance (88mm), it provides a generous range of movement for complex macro subjects.\u003c\/p\u003e \n    \n    \u003cp style=\"font-size:14px; margin-bottom:15px;\"\u003eDurability is at the core of this design. The rail utilizes self-aligning linear sleeve bearings with a PTFE liner, ensuring smooth, friction-free movement without the need for traditional grease that can attract dust and debris. The aluminum housing is treated with a specialized 0.002\" ceramic coating, making it highly resistant to corrosion and wear in challenging field conditions.\u003c\/p\u003e \n    \n    \u003cp style=\"font-size:14px;\"\u003eThe integrated precision scale allows for repeatable alignment, which is critical for scientific and industrial workflows. The bottom rail dovetail interfaces seamlessly with Arca-style tripod heads, while the top quick-release clamp can be repositioned in four different orientations. Whether you are balancing a heavy telephoto setup horizontally or shooting at a vertical 90-degree angle, this rail offers the stability and control needed for razor-sharp macro results.\u003c\/p\u003e \n\u003c\/div\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701617098857,"sku":"MS5PS_8-MS","price":375.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/MS5P-8-MS-6.jpg?v=1793670416"},{"product_id":"8-arca-swiss-screw-adjusting-macro-rail-with-fine-control-copy","title":"10\" Arca-Swiss Screw Adjusting Macro Rail with Fine Control","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e\n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e\n\t\u003cstrong\u003eHejnar Photo 10-Inch Lead Screw Micro Focusing Rail with Arca-Swiss Quick Release Clamp\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e\n\u003ch1\u003e10\" Lead Screw Micro Focusing Rail | Arca-Swiss Compatible Slider\u003c\/h1\u003e\n\u003cp\u003e\n    The \n\t\u003cstrong\u003eHejnar Photo 10-Inch Lead Screw Micro Focusing Rail\u003c\/strong\u003e is a professional-grade precision instrument custom-tailored for the most demanding macro photography, lab imaging, and fine alignment tasks. This linear stage features a 10-inch Arca-Swiss compatible dovetail base and a modular slider stage, offering unmatched structural stability and sub-millimeter control. Proudly CNC-machined in the USA from aircraft-grade aluminum, it is built to provide lifelong reliability for professional photographers and researchers alike.\n\u003c\/p\u003e\n\u003chr\u003e\n\u003c!-- ===================== QUICK OVERVIEW \u0026 KEY FEATURES ===================== --\u003e\n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003ePrecision Lead Screw Mechanism:\u003c\/strong\u003e Delivers ultra-fine focal plane adjustment of 1.06mm (0.0416 inch) travel per full revolution for critical focus plane lockup.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eRapid Positioning Stage:\u003c\/strong\u003e Integrated manual release button allows the slider to disengage for fast, coarse framing movements before fine-tuning.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eModular 4-Position Clamp:\u003c\/strong\u003e Top Arca-style quick release clamp can be unbolted and reoriented in 90° increments using a secure center screw and anti-twist dowel pin system.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eExtended 10\" Base Track:\u003c\/strong\u003e Generous rail footprint provides an expansive platform for balancing long lenses or creating complex panoramic nodal slides.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eUniversal Arca Standard:\u003c\/strong\u003e Bottom rail features a standard dovetail configuration ensuring total compatibility with quick-release clamps from RRS, Kirk, Wimberley, and Leofoto.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eSafety-First Design:\u003c\/strong\u003e Equipped with two integrated bottom safety stops to prevent your valuable camera equipment from accidentally overtraveling or sliding out of a loosened clamp.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eExceptional Durability:\u003c\/strong\u003e Finished with a premium black hard-coat anodize for extreme resistance against scratches, scuffs, and outdoor elements.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eProfessional Build Quality:\u003c\/strong\u003e Precision CNC-machined in the USA from solid 6061-T6 aircraft-grade aluminum paired with non-corrosive stainless steel hardware.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- ===================== PRODUCT SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eSAE Technical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eBottom Rail Length:\u003c\/strong\u003e 10.00 inches\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eMaximum Travel Distance:\u003c\/strong\u003e 6.30 inches\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eLead Screw Resolution:\u003c\/strong\u003e 0.0416 inch (1.06mm) travel per full revolution\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC-machined 6061-T6 Aluminum\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e High-grade Stainless Steel components\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Hard Coat Anodized\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eHorizontal Load Capacity:\u003c\/strong\u003e 15 lbs (Parallel to ground)\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eVertical Load Capacity:\u003c\/strong\u003e 10 lbs (Perpendicular to ground)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003e\n    The \n\t\u003cstrong\u003eHejnar Photo 10-Inch Lead Screw Micro Focusing Rail\u003c\/strong\u003e cleanly solves the challenge of managing a razor-thin depth of field in extreme macro and multi-frame focus-stacking workflows. By adjusting the working distance between the camera rig and your subject via the linear stage track rather than rotating the lens focus ring, you maintain an absolutely constant magnification ratio. This geometric consistency is a critical factor for clean, artifact-free image alignment during post-processing software stacking.\n\u003c\/p\u003e\n\u003cp\u003e\n    This system is engineered for complete technical versatility. The extended 10-inch base rail provides an expansive platform that is highly useful for counter-balancing heavy telephoto lenses or configuring precise pan-nodal slides. The slider stage features a modular quick release clamp that can be quickly rotated to face any of the four cardinal directions, allowing you to align your camera body, lens foot, or vertical L-bracket exactly how the composition requires. Whether configured flat for horizontal tabletop setups or mounted at a vertical 90° angle on a copy stand for top-down captures, the rail remains entirely rigid and immune to sagging.\n\u003c\/p\u003e\n\u003cp\u003e\n    Craftsmanship is paramount in this assembly; every component is CNC-milled from premium solid aluminum and features rugged stainless steel driving hardware. The hand-cranked lead screw provides silky-smooth, repeatable travel along the track, while the manual slide release button ensures you do not waste time turning the handle for long-distance positional adjustments. Built to endure severe field and studio use, this USA-made focusing rail delivers the rock-solid tracking performance your professional imaging demands.\n\u003c\/p\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67908425384041,"sku":"MS5P_10","price":355.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/0002_MS5P_8.jpg?v=1793406978"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/collections\/MS4-1DS-2.jpg?v=1793670035","url":"https:\/\/www.hejnarphotostore.com\/collections\/macro.oembed","provider":"Hejnar Photo","version":"1.0","type":"link"}