{"product_id":"manfrotto-393-heavy-telephoto-lens-support-arca-sw","title":"Arca-Swiss Conversion Kit for Manfrotto 393 Heavy Duty Telephoto Lens Support","description":"\u003c!-- ===================== GRAY HEADER BANNER ===================== --\u003e \n\u003cdiv style=\"background:#f8f9fa; border-left:4px solid #1a1a1a; padding:15px; margin-bottom:25px; font-family:Arial, sans-serif;\"\u003e \n    \u003cstrong style=\"font-size:18px; color:#1a1a1a;\"\u003eHejnar Photo – Arca-Swiss Conversion Set for Manfrotto 393 Telephoto Lens Support\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; font-weight:700;\"\u003e\n    Arca-Swiss Conversion Kit for Manfrotto 393 Heavy Duty Telephoto Lens Support\n\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;\"\u003e \n        The \u003cstrong\u003eHejnar Photo Manfrotto 393 Conversion Set\u003c\/strong\u003e is a precision-engineered upgrade that brings standardized Arca-Swiss compatibility to your heavy-duty telephoto support system. Specifically designed for the Manfrotto 393 gimbal-style bracket, this kit allows you to bypass proprietary Manfrotto plates and utilize high-end Arca-type L-brackets, rails, and camera plates. Proudly CNC-machined in the USA from solid 6061-T6 aluminum, this conversion ensures an unyielding foundation for technical wildlife, sports, and aviation photography.\n    \u003c\/p\u003e \n\u003c\/div\u003e \n\n\u003chr style=\"border:0; border-top:1px solid #eee; 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:2px solid #1a1a1a; padding-bottom:5px; font-weight:600;\"\u003eSAE Technical Specifications\u003c\/h2\u003e \n    \u003cdiv style=\"display: flex; gap: 20px; flex-wrap: wrap;\"\u003e\n        \u003cdiv style=\"flex: 1; min-width: 280px;\"\u003e\n            \u003ch3 style=\"font-size:16px; margin-bottom:10px;\"\u003eAdapter Plate Specs\u003c\/h3\u003e\n            \u003cul style=\"padding-left:20px; line-height:1.6; font-size:14px; color:#333;\"\u003e \n                \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 4.00\" L x 1.80\" W x 0.375\" Thick.\u003c\/li\u003e \n                \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Side holes spaced exactly 30mm and 45mm apart.\u003c\/li\u003e \n                \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC-machined from solid 6061-T6 Aircraft-Grade Aluminum.\u003c\/li\u003e\n                \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Durable black hard-coat anodized surface.\u003c\/li\u003e\n            \u003c\/ul\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"flex: 1; min-width: 280px;\"\u003e\n            \u003ch3 style=\"font-size:16px; margin-bottom:10px;\"\u003eQuick Release Clamp Specs\u003c\/h3\u003e\n            \u003cul style=\"padding-left:20px; line-height:1.6; font-size:14px; color:#333;\"\u003e \n                \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 5.5 oz (157g).\u003c\/li\u003e \n                \u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e \"Tongue-in-pocket\" construction shields internal parts from dust and grit.\u003c\/li\u003e\n                \u003cli\u003e\n\u003cstrong\u003eSafety Features:\u003c\/strong\u003e 2.6mm deep relief grooves prevent accidental gear free-fall.\u003c\/li\u003e\n                \u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e High-strength stainless steel components included.\u003c\/li\u003e\n            \u003c\/ul\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n\u003c\/div\u003e \n\n\u003chr style=\"border:0; border-top:1px solid #eee; margin:25px 0;\"\u003e \n\n\u003c!-- ===================== INSTALLATION STEPS ===================== --\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:2px solid #1a1a1a; padding-bottom:5px; font-weight:600;\"\u003eDetailed Installation Instructions\u003c\/h2\u003e \n    \u003cp style=\"font-size:14px; margin-bottom:12px; color:#333;\"\u003e \n        Modernize your lens support in three simple steps using the included hardware: \n    \u003c\/p\u003e \n    \u003col style=\"padding-left:20px; line-height:1.8; font-size:14px; color:#333;\"\u003e \n        \u003cli\u003e\n\u003cstrong\u003eRemove the Factory Platform:\u003c\/strong\u003e Uninstall the original Manfrotto mounting platform using the provided hex wrench.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eSecure the Adapter Plate:\u003c\/strong\u003e Attach the Hejnar conversion plate directly in place of the original platform using your factory Manfrotto screw.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eMount the Arca-Swiss Clamp:\u003c\/strong\u003e Secure the included quick-release clamp to the adapter plate using the provided heavy-duty mounting screws.\u003c\/li\u003e \n    \u003c\/ol\u003e \n\u003c\/div\u003e \n\n\u003chr style=\"border:0; border-top:1px solid #eee; 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:2px solid #1a1a1a; padding-bottom:5px; font-weight:600;\"\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e \n    \u003cul style=\"padding-left:20px; line-height:1.8; font-size:14px; color:#333;\"\u003e \n        \u003cli\u003e\n\u003cstrong\u003eUniversal Arca Compatibility:\u003c\/strong\u003e Enables the use of plates and L-brackets from RRS, Kirk, Wimberley, and Markins.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003ePrecision Balancing:\u003c\/strong\u003e Centers heavy telephoto loads over the support axis, critical for the Manfrotto 393’s gimbal movement.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eCaptive Knob Design:\u003c\/strong\u003e The ergonomic one-piece knob stops at maximum opening and cannot be lost in the field.\u003c\/li\u003e \n        \u003cli\u003e\n\u003cstrong\u003eZero Rotational Play:\u003c\/strong\u003e Precision-milled registration grooves on the back of the clamp prevent twisting once secured.\u003c\/li\u003e \n    \u003c\/ul\u003e \n\u003c\/div\u003e \n\n\u003chr style=\"border:0; border-top:1px solid #eee; 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:2px solid #1a1a1a; padding-bottom:5px; font-weight:600;\"\u003eComprehensive Product Description\u003c\/h2\u003e \n    \u003cp style=\"font-size:14px; margin-bottom:15px;\"\u003e \n        The Hejnar Photo Manfrotto 393 Conversion Set is the definitive solution for professionals who trust the heavy-duty gimbal-style control of the 393 support but demand the standardized flexibility of the Arca-Swiss ecosystem. By converting your head, you bypass the unwanted flexing and limited plate options of factory Manfrotto systems, ensuring your framing remains perfectly aligned even with massive 44lb payloads.\n    \u003c\/p\u003e \n    \u003cp style=\"font-size:14px; margin-bottom:15px;\"\u003e \n        Crafted from a solid block of aircraft-grade \u003cstrong\u003e6061-T6 aluminum\u003c\/strong\u003e, the structural integrity of this system ensures zero deflection during critical shots. The clamp features a sophisticated \"tongue-in-pocket\" design that protects its internal threaded parts from dust, sand, and grit, while keeping the jaws perfectly aligned with your plate’s geometry. Whether you are tracking fast-moving wildlife or shooting high-resolution architectural details, this conversion kit restores full professional modularity to your setup.\n    \u003c\/p\u003e \n    \u003cp style=\"font-size:14px;\"\u003e \n        Proudly made in the USA, this component provides the technical excellence and rigorous tolerances that distinguish Hejnar Photo from mass-produced alternatives. It is an intelligent, high-value investment that modernizes your existing support architecture for ultimate reliability across all your tripod and monopod rigs.\n    \u003c\/p\u003e \n\u003c\/div\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701610643561,"sku":"M393F64ab","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/M393F64ab-2_a5802f25-91ea-4aba-b79d-09c1de183179.jpg?v=1793929215","url":"https:\/\/www.hejnarphotostore.com\/products\/manfrotto-393-heavy-telephoto-lens-support-arca-sw","provider":"Hejnar Photo","version":"1.0","type":"link"}