{"title":"Lens Foot for Sigma","description":null,"products":[{"product_id":"sigma-500mm-f4-dg-os-hsm-low-profile-arca-foot","title":"Sigma 500mm f\/4 DG OS HSM Sports Low Profile Arca-Type Foot","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e\n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e\n\t\u003cstrong\u003eHejnar Photo – H118 Low Profile Arca-Swiss Replacement Foot for Sigma 500mm f\/4 DG OS HSM\u003c\/strong\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e\n\u003ch1\u003eSigma 500mm f\/4 DG OS HSM Sports Low Profile Arca-Type Foot\u003c\/h1\u003e\n\u003cp\u003e\nThe Hejnar Photo H118 is a precision-engineered, low-profile Arca-Swiss compatible replacement foot designed specifically for the Sigma 500mm f\/4 DG OS HSM Sports lens. By replacing the original factory foot, this upgrade provides a lower center of gravity for improved stability and handling while offering a rock-solid Arca-type dovetail for professional tripod and gimbal mounting.\n\u003c\/p\u003e\n\u003chr\u003e\n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e\n\u003ch2\u003eQuick Overview\u003c\/h2\u003e\n\u003cul\u003e\n\t\u003cli\u003eModel: H118 (Low Profile Version)\u003c\/li\u003e\n\t\u003cli\u003eDirect replacement specifically for the Sigma 500mm f\/4 DG OS HSM Sports Lens\u003c\/li\u003e\n\t\u003cli\u003eDouble-Dovetail Profile: Clamping surfaces on both the front and back for dual mounting and flash bracket compatibility\u003c\/li\u003e\n\t\u003cli\u003eLow Profile Design: Enhances lens balance and reduces bulk on tripod and monopod setups\u003c\/li\u003e\n\t\u003cli\u003eHardware Included: Ships with four high-strength mounting screws and an M3 hex key\u003c\/li\u003e\n\t\u003cli\u003ePrecision C.N.C. machined from 6061-T6 Aluminum\u003c\/li\u003e\n\t\u003cli\u003eBlack anodized surface for a professional, durable finish\u003c\/li\u003e\n\t\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003e\nEnhance the performance of your Sigma 500mm f\/4 Sports lens with a foot built for stability and versatility. The H118 provides a native Arca-Swiss foundation, eliminating the need for universal adapter plates. Its double-dovetail design is a standout feature, allowing you to secure the lens into a tripod head while simultaneously attaching flash brackets or rails to the secondary clamping surfaces.\n\u003c\/p\u003e\n\u003cp\u003e\nDesigned for photographers who demand a more compact and balanced setup, the low-profile height brings the lens closer to the center of rotation on gimbal heads. This results in smoother movements and easier handling of your heavy telephoto glass in the field.\n\u003c\/p\u003e\n\n\u003c!-- ===================== INSTALLATION INSTRUCTIONS ===================== --\u003e\n\u003ch2\u003eSimple Installation\u003c\/h2\u003e\n\u003col\u003e\n\t\u003cli\u003eUse the included M3 hex key to completely remove the four factory mounting screws from the original foot.\u003c\/li\u003e\n\t\u003cli\u003ePosition the H118 foot and secure it to the lens collar using the \u003cstrong\u003efour provided mounting screws\u003c\/strong\u003e.\u003c\/li\u003e\n\t\u003cli\u003e\u003cem\u003eNote: If your mounting screws tend to loosen over time, we recommend using a drop of Loctite 242 (blue) for long-term security.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLens Compatibility:\u003c\/strong\u003e Sigma 500mm f\/4 DG OS HSM Sports\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061-T6 Aluminum\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Anodized Coat\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Low Profile Double-Dovetail Arca-Type\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e M3 hex key and four mounting screws included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701601861737,"sku":"H118-S1","price":65.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/H126_a91db27f-9832-4422-a4a8-98ec10ea0eb2.jpg?v=1794006953"},{"product_id":"sigma-60-600mm-sports-arca-foot-sigfr001","title":"Sigma 60-600mm f\/4.5-6.3 DG OS HSM Sports Arca-Type Foot","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e\n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e\n\t\u003cstrong\u003eHejnar Photo – SIGFR-001 Arca-Swiss Replacement Foot for Sigma 60-600mm Sports\u003c\/strong\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e\n\u003ch1\u003eSigma 60-600mm f\/4.5-6.3 DG OS HSM Sports Arca-Type Foot\u003c\/h1\u003e\n\u003cp\u003e\nThe Hejnar Photo SIGFR-001 is a precision-engineered Arca-Swiss compatible replacement foot designed specifically for the Sigma 60-600mm f\/4.5-6.3 DG OS HSM Sports lens. This upgrade provides a rock-solid Arca-type dovetail for professional tripod mounting and features a double-dovetail profile for maximum mounting flexibility and stability.\n\u003c\/p\u003e\n\u003chr\u003e\n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e\n\u003ch2\u003eQuick Overview\u003c\/h2\u003e\n\u003cul\u003e\n\t\u003cli\u003eModel: SIGFR-001\u003c\/li\u003e\n\t\u003cli\u003eDirect replacement specifically for the Sigma 60-600mm f\/4.5-6.3 DG OS HSM Sports Lens\u003c\/li\u003e\n\t\u003cli\u003eDouble-Dovetail Profile: Allows for dual clamping surfaces and secondary accessory mounting\u003c\/li\u003e\n\t\u003cli\u003eErgonomic Design: Ample finger clearance for focus ring access and supports hood reversal for storage\u003c\/li\u003e\n\t\u003cli\u003eHardware Included: Ships with high-strength M4 mounting screws and M3 hex key\u003c\/li\u003e\n\t\u003cli\u003ePrecision C.N.C. machined from 6061-T6 Aluminum\u003c\/li\u003e\n\t\u003cli\u003eBlack anodized surface for a professional, durable finish\u003c\/li\u003e\n\t\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003e\nEnhance the performance of your Sigma Sports lens with a replacement foot built for the field. The SIGFR-001 provides a native Arca-Swiss foundation, eliminating the need for universal adapter plates and reducing potential flex. Its double-dovetail design ensures universal compatibility with Arca-style clamps from RRS, Kirk, Acratech, and Wimberley, allowing you to mount the foot into a head while simultaneously attaching flash brackets or rails to the upper dovetail.\n\u003c\/p\u003e\n\u003cp\u003e\nThe foot is carefully engineered to maintain the full functionality of the lens. The height provides comfortable clearance to access the focusing ring while shooting handheld, and the compact profile ensures the lens hood can still be reversed for storage.\n\u003c\/p\u003e\n\n\u003c!-- ===================== INSTALLATION INSTRUCTIONS ===================== --\u003e\n\u003ch2\u003eSimple Installation\u003c\/h2\u003e\n\u003col\u003e\n\t\u003cli\u003eUse the included M3 hex key to completely remove the four factory Sigma mounting screws.\u003c\/li\u003e\n\t\u003cli\u003ePosition the SIGFR-001 foot and secure it to the lens collar using the \u003cstrong\u003eprovided M4 mounting screws\u003c\/strong\u003e.\u003c\/li\u003e\n\t\u003cli\u003e\u003cem\u003ePro Tip: If your mounting screws tend to loosen over time, consider using a drop of Loctite 242 (blue) for added security.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLens Compatibility:\u003c\/strong\u003e Sigma 60-600mm f\/4.5-6.3 DG OS HSM Sports\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061-T6 Aluminum\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Anodized Coat\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Double-Dovetail Arca-Type\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e SIGFR-001 Foot, four M4 mounting screws, and M3 hex key\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701622341737,"sku":"SIGFR-001-SIG2","price":85.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/SIGFR-001-2.jpg?v=1792111656"},{"product_id":"sigma-500mm-f4-sports-arca-foot-sigfr001","title":"Sigma 500mm f\/4 DG OS HSM Sports Arca-Type Foot","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e\n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e\n\t\u003cstrong\u003eHejnar Photo – SIGFR-001 Arca-Swiss Replacement Foot for Sigma 500mm f\/4 Sports\u003c\/strong\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e\n\u003ch1\u003eSigma 500mm f\/4 DG OS HSM Sports Arca-Type Foot\u003c\/h1\u003e\n\u003cp\u003e\nThe Hejnar Photo SIGFR-001 is a precision-engineered Arca-Swiss compatible replacement foot designed specifically for the Sigma 500mm f\/4 DG OS HSM Sports lens. This upgrade provides a rock-solid Arca-type dovetail for professional tripod mounting and features a double-dovetail profile for maximum mounting flexibility and stability.\n\u003c\/p\u003e\n\u003chr\u003e\n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e\n\u003ch2\u003eQuick Overview\u003c\/h2\u003e\n\u003cul\u003e\n\t\u003cli\u003eModel: SIGFR-001\u003c\/li\u003e\n\t\u003cli\u003eDirect replacement specifically for the Sigma 500mm f\/4 DG OS HSM Sports Lens\u003c\/li\u003e\n\t\u003cli\u003eDouble-Dovetail Profile: Allows for dual clamping surfaces and secondary accessory mounting\u003c\/li\u003e\n\t\u003cli\u003eErgonomic Design: Ample finger clearance for focus ring access and supports hood reversal for storage\u003c\/li\u003e\n\t\u003cli\u003ePrecision C.N.C. machined from 6061-T6 Aluminum\u003c\/li\u003e\n\t\u003cli\u003eBlack anodized surface for a professional, durable finish\u003c\/li\u003e\n\t\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003e\nEnhance the performance of your Sigma 500mm Sports lens with a replacement foot built for the field. The SIGFR-001 provides a native Arca-Swiss foundation, eliminating the need for universal adapter plates and reducing potential flex. Its double-dovetail design ensures universal compatibility with Arca-style clamps from RRS, Kirk, Acratech, and Wimberley, allowing you to mount the foot into a head while simultaneously attaching flash brackets or rails to the upper dovetail.\n\u003c\/p\u003e\n\u003cp\u003e\nThe foot is carefully engineered to maintain the full functionality of the lens. The height provides comfortable clearance to access the focusing ring while shooting handheld, and the compact profile ensures the lens hood can still be reversed for storage.\n\u003c\/p\u003e\n\n\u003c!-- ===================== INSTALLATION INSTRUCTIONS ===================== --\u003e\n\u003ch2\u003eSimple Installation\u003c\/h2\u003e\n\u003col\u003e\n\t\u003cli\u003eUse the included M3 hex key to completely remove the four factory Sigma mounting screws.\u003c\/li\u003e\n\t\u003cli\u003ePosition the SIGFR-001 foot and secure it to the lens collar using the original Sigma screws.\u003c\/li\u003e\n\t\u003cli\u003e\u003cem\u003ePro Tip: If your mounting screws tend to loosen over time, consider using a drop of Loctite 242 (blue) for added security.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLens Compatibility:\u003c\/strong\u003e Sigma 500mm f\/4 DG OS HSM Sports\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061-T6 Aluminum\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Anodized Coat\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Double-Dovetail Arca-Type\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e SIGFR-001 Foot and M3 hex key\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701622374505,"sku":"SIGFR-001-SIG1","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/SIGFR-001-4.jpg?v=1792111656"},{"product_id":"sigma-300-600mm-f4-sports-arca-foot-sigfr001","title":"Sigma 300-600mm F\/4.0 DG OS Sports Arca-Type Foot","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e\n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e\n\t\u003cstrong\u003eHejnar Photo – SIGFR-001 Arca-Swiss Replacement Foot for Sigma 300-600mm F\/4.0 DG OS Sports\u003c\/strong\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e\n\u003ch1\u003eSigma 300-600mm F\/4.0 DG OS Sports Arca-Type Foot\u003c\/h1\u003e\n\u003cp\u003e\nThe Hejnar Photo SIGFR-001 is a precision-engineered Arca-Swiss compatible replacement foot designed specifically for the Sigma 300-600mm F\/4.0 DG OS Sports lens. This upgrade provides a rock-solid Arca-type dovetail for professional tripod mounting and features a double-dovetail profile for maximum mounting flexibility and stability during wildlife and sports photography.\n\u003c\/p\u003e\n\u003chr\u003e\n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e\n\u003ch2\u003eQuick Overview\u003c\/h2\u003e\n\u003cul\u003e\n\t\u003cli\u003eModel: SIGFR-001\u003c\/li\u003e\n\t\u003cli\u003eDirect replacement specifically for the Sigma 300-600mm F\/4.0 DG OS Sports Lens\u003c\/li\u003e\n\t\u003cli\u003eDouble-Dovetail Profile: Allows for dual clamping surfaces and secondary accessory mounting\u003c\/li\u003e\n\t\u003cli\u003eDual QD Sockets: Integrated stainless steel Quick Detach sockets for secure strap mounting\u003c\/li\u003e\n\t\u003cli\u003eErgonomic Design: Ample finger clearance for focus ring access and supports hood reversal for storage\u003c\/li\u003e\n\t\u003cli\u003ePrecision C.N.C. machined from 6061-T6 Aluminum\u003c\/li\u003e\n\t\u003cli\u003eBlack anodized surface for a professional, durable finish\u003c\/li\u003e\n\t\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003e\nUpgrade your Sigma 300-600mm F\/4.0 Sports lens with a replacement foot built for the field. The SIGFR-001 provides a native Arca-Swiss foundation, eliminating the need for universal adapter plates and reducing potential flex. Its double-dovetail design ensures universal compatibility with Arca-style clamps from RRS, Kirk, Acratech, and Wimberley, allowing you to mount the foot into a head while simultaneously attaching flash brackets or rails to the upper dovetail.\n\u003c\/p\u003e\n\u003cp\u003e\n\u003cstrong\u003eIntegrated QD Carrying Security:\u003c\/strong\u003e This foot features two built-in stainless steel QD sockets, providing the safest carrying method available for your super-telephoto gear. The QD system—trusted for decades by NASA, law enforcement, and military agencies—uses a secure push-button mechanism that inhibits accidental removal. This is the ideal solution for photographers who carry their camera and lens via professional shoulder slings like the Black Rapid system.\n\u003c\/p\u003e\n\n\u003c!-- ===================== INSTALLATION INSTRUCTIONS ===================== --\u003e\n\u003ch2\u003eSimple Installation\u003c\/h2\u003e\n\u003col\u003e\n\t\u003cli\u003eUse the included M3 hex key to completely remove the four factory Sigma mounting screws.\u003c\/li\u003e\n\t\u003cli\u003ePosition the SIGFR-001 foot and secure it to the lens collar using the original Sigma screws.\u003c\/li\u003e\n\t\u003cli\u003e\u003cem\u003ePro Tip: If your mounting screws tend to loosen over time, consider using a drop of Loctite 242 (blue) for added security.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLens Compatibility:\u003c\/strong\u003e Sigma 300-600mm F\/4.0 DG OS Sports\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061-T6 Aluminum\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Anodized Coat\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Double-Dovetail Arca-Type\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e SIGFR-001 Foot and M3 hex key\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701622734953,"sku":"SIGFR-001-SIG3","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/SIGFR-001-2.jpg?v=1792111656"},{"product_id":"sigma-500-f-5-6-dg-dn-os-sports","title":"Sigma 500 f\/5.6 DG DN OS Sports","description":"\u003cb\u003eProduct Description:\u003cbr\u003e\u003c\/b\u003e\u003cspan style=\"font-size: 14px;\"\u003eReplacement foot for: Sigma 500 F\/5.6\u003c\/span\u003e\u003cbr\u003e\n\u003cli\u003eDouble-dovetail design allows for dual clamping surfaces on rail\u003c\/li\u003e\n\u003cli\u003eTo remove original foot, use the M3 hex key tool that comes with the FIGFR-002 to completely remove the four Sigma mounting screws.\u003c\/li\u003e\n\u003cli\u003eTo install the SIGFR-002, use the four provided screws and secure the foot to the lens collar.\u003c\/li\u003e\n\u003cli\u003eIf your mounting screws loosen over time, consider using Loctite 242 for security.\u003c\/li\u003e\n\u003cli\u003eFoot leaves enough room for your fingers under the lens to freely use the lens focusing ring, and  allow hood reversal for storage.\u003c\/li\u003e\n\u003cspan style=\"color: rgb(0, 0, 0); font-family: arial, verdana, helvetica, sans-serif; background-color: initial;\"\u003e\u003c\/span\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701622767721,"sku":"SIGFR-002-SIG1","price":85.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/SIGFR-002-2.jpg?v=1792111659"},{"product_id":"sigma-200mm-f2-sports-arca-foot-sigfr002-qd","title":"Sigma 200mm f\/2.0 DG OS Sports Arca-Type Foot","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e\n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e\n\t\u003cstrong\u003eHejnar Photo – SIGFR-002 Arca-Swiss Replacement Foot for Sigma 200mm f\/2.0 DG OS Sports\u003c\/strong\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e\n\u003ch1\u003eSigma 200mm f\/2.0 DG OS Sports Arca-Type Foot\u003c\/h1\u003e\n\u003cp\u003e\nThe Hejnar Photo SIGFR-002 is a precision-machined Arca-Swiss compatible replacement foot designed specifically for the Sigma 200mm f\/2.0 DG OS Sports lens. This upgrade provides a rock-solid Arca-type dovetail for professional tripod mounting, featuring a double-dovetail profile and an integrated stainless steel Quick Detach (QD) socket for maximum security and modularity.\n\u003c\/p\u003e\n\u003chr\u003e\n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e\n\u003ch2\u003eQuick Overview\u003c\/h2\u003e\n\u003cul\u003e\n\t\u003cli\u003eModel: SIGFR-002\u003c\/li\u003e\n\t\u003cli\u003eDirect replacement specifically for the Sigma 200mm f\/2.0 DG OS Sports Lens\u003c\/li\u003e\n\t\u003cli\u003eDouble-Dovetail Profile: Allows for dual clamping surfaces and secondary accessory mounting\u003c\/li\u003e\n\t\u003cli\u003eIntegrated QD Socket: Built-in stainless steel Quick Detach socket for secure strap mounting\u003c\/li\u003e\n\t\u003cli\u003eErgonomic Design: Ample finger clearance for focus ring access and supports hood reversal for storage\u003c\/li\u003e\n\t\u003cli\u003ePrecision C.N.C. machined from 6061-T6 Aluminum\u003c\/li\u003e\n\t\u003cli\u003eBlack anodized surface for a professional, durable finish\u003c\/li\u003e\n\t\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003e\nUpgrade your Sigma 200mm f\/2.0 Sports lens with a replacement foot built for precision and reliability. The SIGFR-002 provides a native Arca-Swiss foundation, eliminating the need for bulky adapter plates and reducing potential flex. Its double-dovetail design ensures universal compatibility with Arca-style clamps from RRS, Kirk, Acratech, and Wimberley, while allowing for secondary accessory mounting on the upper dovetail surface.\n\u003c\/p\u003e\n\u003cp\u003e\n\u003cstrong\u003eIntegrated Carrying Security:\u003c\/strong\u003e This foot features an integrated stainless steel QD socket, a system trusted for decades by NASA, law enforcement, and military agencies for its secure, anti-accidental-release design. The push-button mechanism locks firmly into place, making it the safest way to carry your lens safely when hanging from a professional shoulder strap like the Black Rapid system.\n\u003c\/p\u003e\n\n\u003c!-- ===================== INSTALLATION INSTRUCTIONS ===================== --\u003e\n\u003ch2\u003eSimple Installation\u003c\/h2\u003e\n\u003col\u003e\n\t\u003cli\u003eUse the included M3 hex key to completely remove the four factory Sigma mounting screws from the original foot.\u003c\/li\u003e\n\t\u003cli\u003ePosition the SIGFR-002 foot and secure it to the lens collar using the \u003cstrong\u003efour provided mounting screws\u003c\/strong\u003e.\u003c\/li\u003e\n\t\u003cli\u003e\u003cem\u003ePro Tip: If your mounting screws tend to loosen over time, we recommend applying a drop of Loctite 242 (blue) for added security.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLens Compatibility:\u003c\/strong\u003e Sigma 200mm f\/2.0 DG OS Sports\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061-T6 Aluminum\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Anodized Coat\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Double-Dovetail Arca-Type\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e Four (4) mounting screws and M3 hex key included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701622800489,"sku":"SIGFR-002-SIG2","price":85.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/SIGFR-002-4.jpg?v=1792111659"},{"product_id":"sigma-300-600mm-f4-sports-low-profile-arca-foot","title":"Sigma 300-600mm F4.0 DG OS Sports Low Profile Arca-Type Foot","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e\n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e\n\t\u003cstrong\u003eHejnar Photo – SIGFR-003 Low Profile Arca-Swiss Replacement Foot for Sigma 300-600mm F4.0 DG OS\u003c\/strong\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e\n\u003ch1\u003eSigma 300-600mm F4.0 DG OS Sports Low Profile Arca-Type Foot\u003c\/h1\u003e\n\u003cp\u003e\nThe Hejnar Photo SIGFR-003 is a precision-engineered, low-profile Arca-Swiss compatible replacement foot designed specifically for the Sigma 300-600mm F4.0 DG OS lens. This upgrade provides a lower center of gravity for improved stability and handling, while offering a rock-solid Arca-type dovetail with dual integrated stainless steel Quick Detach (QD) sockets for maximum security.\n\u003c\/p\u003e\n\u003chr\u003e\n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e\n\u003ch2\u003eQuick Overview\u003c\/h2\u003e\n\u003cul\u003e\n\t\u003cli\u003eModel: SIGFR-003 (Low Profile Version)\u003c\/li\u003e\n\t\u003cli\u003eDirect replacement specifically for the Sigma 300-600mm F4.0 DG OS Lens\u003c\/li\u003e\n\t\u003cli\u003eLow Profile Design: Enhances lens balance and reduces bulk on tripod and monopod setups\u003c\/li\u003e\n\t\u003cli\u003eDual QD Sockets: Integrated stainless steel Quick Detach sockets for secure strap mounting\u003c\/li\u003e\n\t\u003cli\u003eDouble-Dovetail Profile: Allows clamping from both the top and bottom surfaces\u003c\/li\u003e\n\t\u003cli\u003eErgonomic Design: Ample clearance for focusing ring access and supports hood reversal for storage\u003c\/li\u003e\n\t\u003cli\u003ePrecision C.N.C. machined from 6061-T6 Aluminum\u003c\/li\u003e\n\t\u003cli\u003eBlack anodized surface for a professional, durable finish\u003c\/li\u003e\n\t\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003e\nUpgrade your Sigma super-telephoto workflow with a replacement foot built for precision and stability. The SIGFR-003 provides a native Arca-Swiss foundation, eliminating the need for bulky adapter plates. Its low-profile design brings the lens closer to the center of rotation on gimbal heads, resulting in smoother movements and easier handling in the field.\n\u003c\/p\u003e\n\u003cp\u003e\n\u003cstrong\u003eAdvanced Carrying \u0026amp; Mounting:\u003c\/strong\u003e This foot features a double-dovetail design, allowing you to mount the foot into a head while simultaneously attaching rails or flash brackets to the upper surface. For carrying security, the integrated dual stainless steel QD sockets offer a fail-safe connection for professional straps. The QD system—trusted for decades by NASA, law enforcement, and military agencies—ensures your gear stays secure during transport.\n\u003c\/p\u003e\n\n\u003c!-- ===================== INSTALLATION INSTRUCTIONS ===================== --\u003e\n\u003ch2\u003eSimple Installation\u003c\/h2\u003e\n\u003col\u003e\n\t\u003cli\u003eUse the included M3 hex key to remove the four factory Sigma screws.\u003c\/li\u003e\n\t\u003cli\u003eMount the SIGFR-003 using the four provided high-strength screws.\u003c\/li\u003e\n\t\u003cli\u003e\u003cem\u003ePro Tip: For long-term security, we recommend applying a drop of Loctite 242 (blue) to prevent screw loosening over time.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLens Compatibility:\u003c\/strong\u003e Sigma 300-600mm F4.0 DG OS Sports\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061-T6 Aluminum\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Anodized Coat\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eQD Sockets:\u003c\/strong\u003e Two (2) Integrated Stainless Steel\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e M3 hex key and four mounting screws included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701622833257,"sku":"SIGFR-003","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/SIGFR-003-2.jpg?v=1792111661"},{"product_id":"sigma-70-200mm-dg-dn-os-arca-foot-sigfr004","title":"Sigma 70-200mm f\/2.8 DG DN OS Arca-Type Foot","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e\n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e\n\t\u003cstrong\u003eHejnar Photo – SIGFR-004 Arca-Swiss Replacement Foot for Sigma 70-200mm f\/2.8 DG DN OS\u003c\/strong\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e\n\u003ch1\u003eSigma 70-200mm f\/2.8 DG DN OS Arca-Type Foot\u003c\/h1\u003e\n\u003cp\u003e\nThe Hejnar Photo SIGFR-004 is a precision-engineered Arca-Swiss compatible replacement foot designed specifically for the Sigma 70-200mm f\/2.8 DG DN OS lens. This upgrade provides a native Arca-type dovetail for professional tripod mounting, featuring a double-dovetail profile and dual integrated stainless steel Quick Detach (QD) sockets for maximum security and modularity.\n\u003c\/p\u003e\n\u003chr\u003e\n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e\n\u003ch2\u003eQuick Overview\u003c\/h2\u003e\n\u003cul\u003e\n\t\u003cli\u003eModel: SIGFR-004\u003c\/li\u003e\n\t\u003cli\u003eDirect replacement specifically for the Sigma 70-200mm f\/2.8 DG DN OS Lens\u003c\/li\u003e\n\t\u003cli\u003eDual QD Sockets: Integrated stainless steel Quick Detach sockets for secure strap mounting\u003c\/li\u003e\n\t\u003cli\u003eDouble-Dovetail Profile: Allows clamping from both the top and bottom surfaces\u003c\/li\u003e\n\t\u003cli\u003eErgonomic Design: Ample clearance for focusing ring access and lens hood reversal\u003c\/li\u003e\n\t\u003cli\u003ePrecision C.N.C. machined from 6061-T6 Aluminum\u003c\/li\u003e\n\t\u003cli\u003eBlack anodized surface for a professional, durable finish\u003c\/li\u003e\n\t\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003e\nUpgrade your Sigma telephoto workflow with a replacement foot built for precision and reliability. The SIGFR-004 provides a rock-solid Arca-Swiss foundation, eliminating the need for bulky adapter plates. Its double-dovetail design ensures universal compatibility with Arca-style clamps from RRS, Kirk, Acratech, and Wimberley, while allowing for secondary accessory mounting on the upper dovetail surface.\n\u003c\/p\u003e\n\u003cp\u003e\n\u003cstrong\u003eSecure Carrying \u0026amp; Integration:\u003c\/strong\u003e This foot features two built-in stainless steel QD sockets, the gold standard for secure carrying trusted by military and aerospace industries. The push-button mechanism prevents accidental release, making it the safest way to carry your lens on professional sling straps. The foot is designed to maintain the lens's full functionality, ensuring no interference with the focus ring or hood storage.\n\u003c\/p\u003e\n\n\u003c!-- ===================== INSTALLATION INSTRUCTIONS ===================== --\u003e\n\u003ch2\u003eSimple Installation\u003c\/h2\u003e\n\u003col\u003e\n\t\u003cli\u003eUse the included M3 hex key to remove the four factory Sigma screws.\u003c\/li\u003e\n\t\u003cli\u003eMount the SIGFR-004 using the four provided high-strength screws.\u003c\/li\u003e\n\t\u003cli\u003e\u003cem\u003eNote: For added security, we recommend applying a drop of Loctite 242 (blue) to prevent screws from loosening over time.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLens Compatibility:\u003c\/strong\u003e Sigma 70-200mm f\/2.8 DG DN OS\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061-T6 Aluminum\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Anodized Coat\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eQD Sockets:\u003c\/strong\u003e Two (2) Integrated Stainless Steel\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e M3 hex key and four mounting screws included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701622866025,"sku":"SIGFR-004","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/SIGFR-004-2.jpg?v=1792111663"},{"product_id":"hejnar-photo-sigfr-005-arca-swiss-replacement-foot","title":"Sigma 150-600mm Sport Arca-Type Foot","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e\n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e\n\t\u003cstrong\u003eHejnar Photo – SIGFR-005 Arca-Swiss Replacement Foot for Sigma 150-600mm Sport\u003c\/strong\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e\n\u003ch1\u003eSigma 150-600mm Sport Arca-Type Foot\u003c\/h1\u003e\n\u003cp\u003e\nThe Hejnar Photo SIGFR-005 is a precision-machined Arca-type quick release foot designed specifically for the Sigma 150-600mm Sport lens. This upgrade replaces the factory mount to provide a native Arca-Swiss compatible foundation, enhancing stability and adding professional strap integration for high-demand wildlife and sports photography.\n\u003c\/p\u003e\n\u003chr\u003e\n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e\n\u003ch2\u003eQuick Overview\u003c\/h2\u003e\n\u003cul\u003e\n\t\u003cli\u003eModel: SIGFR-005\u003c\/li\u003e\n\t\u003cli\u003eDirect replacement specifically for the Sigma 150-600mm Sport Lens\u003c\/li\u003e\n\t\u003cli\u003eDual QD Sockets: Features two integrated stainless-steel QD sockets for push-button mounts\u003c\/li\u003e\n\t\u003cli\u003eArca-Type Interface: Compatible with standard quick-release clamps from RRS, Kirk, Wimberley, and others\u003c\/li\u003e\n\t\u003cli\u003eErgonomic Design: Ample finger clearance for focus ring access and supports lens hood reversal\u003c\/li\u003e\n\t\u003cli\u003ePrecision C.N.C. machined from 6061-T6 Aluminum\u003c\/li\u003e\n\t\u003cli\u003eBlack anodized surface for a professional, durable finish\u003c\/li\u003e\n\t\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003e\nUpgrade your Sigma 150-600mm Sport lens with a foot built for rugged reliability and modularity. The SIGFR-005 eliminates the need for universal adapter plates by providing a rock-solid, built-in Arca-Swiss dovetail. The precision engineering ensures a zero-flex connection to your tripod or monopod head, essential for sharp telephoto results.\n\u003c\/p\u003e\n\u003cp\u003e\n\u003cstrong\u003eIntegrated Carrying Security:\u003c\/strong\u003e This foot incorporates two stainless-steel QD (Quick Detach) sockets, providing the safest carrying method available. The QD system—trusted for years by NASA, law enforcement, and military agencies—uses a secure push-button mechanism that inhibits accidental removal. This is the ideal solution for photographers who carry heavy gear on professional shoulder slings, ensuring your equipment stays secure even in active field environments.\n\u003c\/p\u003e\n\n\u003c!-- ===================== INSTALLATION INSTRUCTIONS ===================== --\u003e\n\u003ch2\u003eSimple Installation\u003c\/h2\u003e\n\u003col\u003e\n\t\u003cli\u003eCompletely remove the original factory foot from the lens collar.\u003c\/li\u003e\n\t\u003cli\u003eInstall the SIGFR-005 using the \u003cstrong\u003eprovided mounting screws\u003c\/strong\u003e.\u003c\/li\u003e\n\t\u003cli\u003e\u003cem\u003ePro Tip: If your mounting screws tend to loosen over time, we recommend applying a drop of Loctite 242 (blue) for added security.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLens Compatibility:\u003c\/strong\u003e Sigma 150-600mm Sport\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061-T6 Aluminum\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Anodized Coat\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eQD Sockets:\u003c\/strong\u003e Two (2) Integrated Stainless Steel\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e High-strength mounting screws included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701622898793,"sku":"SIGFR-005","price":85.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/SIGFR-005-2.jpg?v=1792111665"},{"product_id":"sigma-150-600mm-dg-dn-os-sports-arca-foot-sigfr005","title":"Sigma 150-600mm f\/5-6.3 DG DN OS Sports Arca-Type Foot","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e\n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e\n\t\u003cstrong\u003eHejnar Photo – SIGFR-005 Arca-Swiss Replacement Foot for Sigma 150-600mm f\/5-6.3 DG DN OS Sports\u003c\/strong\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e\n\u003ch1\u003eSigma 150-600mm f\/5-6.3 DG DN OS Sports Arca-Type Foot\u003c\/h1\u003e\n\u003cp\u003e\nThe Hejnar Photo SIGFR-005 is a precision-engineered Arca-Swiss compatible replacement foot designed specifically for the Sigma 150-600mm f\/5-6.3 DG DN OS Sports lens. This upgrade provides a rock-solid Arca-type dovetail for professional tripod mounting, featuring dual integrated stainless steel Quick Detach (QD) sockets for maximum security and seamless strap integration.\n\u003c\/p\u003e\n\u003chr\u003e\n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e\n\u003ch2\u003eQuick Overview\u003c\/h2\u003e\n\u003cul\u003e\n\t\u003cli\u003eModel: SIGFR-005\u003c\/li\u003e\n\t\u003cli\u003eDirect replacement specifically for the Sigma 150-600mm f\/5-6.3 DG DN OS Sports Lens\u003c\/li\u003e\n\t\u003cli\u003eDual QD Inserts: Two integrated stainless steel Quick Detach sockets for secure push-button strap attachment\u003c\/li\u003e\n\t\u003cli\u003eArca-Swiss Compatible: Native dovetail for universal compatibility with tripod and monopod clamps\u003c\/li\u003e\n\t\u003cli\u003eErgonomic Design: Optimized clearance for focusing ring access and supports hood reversal for compact storage\u003c\/li\u003e\n\t\u003cli\u003ePrecision C.N.C. machined from 6061-T6 Aluminum\u003c\/li\u003e\n\t\u003cli\u003eBlack anodized surface for a professional, durable finish\u003c\/li\u003e\n\t\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003e\nUpgrade your Sigma 150-600mm DG DN OS Sports lens with a replacement foot built for the field. The SIGFR-005 provides a native Arca-Swiss foundation, ensuring full compatibility with professional quick-release systems from RRS, Kirk, Acratech, and Wimberley. By replacing the factory foot, you ensure a lower, more stable mounting solution that reduces potential flex.\n\u003c\/p\u003e\n\u003cp\u003e\n\u003cstrong\u003eAdvanced Carrying Security:\u003c\/strong\u003e This foot features two built-in stainless steel QD sockets. The QD system—trusted for decades by NASA, law enforcement, and military agencies—provides a fail-safe, anti-accidental-release connection. It is the safest way to carry your super-telephoto lens on a shoulder strap, offering a secure push-button mechanism for professional sling systems like Black Rapid.\n\u003c\/p\u003e\n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLens Compatibility:\u003c\/strong\u003e Sigma 150-600mm f\/5-6.3 DG DN OS Sports\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061-T6 Aluminum\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Anodized Coat\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eQD Sockets:\u003c\/strong\u003e Two (2) Integrated Stainless Steel\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e Stainless steel mounting hardware included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701623029865,"sku":"SIGFR-005-SIG2","price":85.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/SIGFR-005-1-2.jpg?v=1792111667"},{"product_id":"sigma-60-600mm-dg-dn-os-arca-foot-sigfr005","title":"Sigma 60-600mm f\/4.5-6.3 DG DN OS Sports Arca-Type Foot","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e\n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e\n\t\u003cstrong\u003eHejnar Photo – SIGFR-005 Arca-Swiss Replacement Foot for Sigma 60-600mm DG DN OS Sports\u003c\/strong\u003e\n\u003c\/div\u003e\n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e\n\u003ch1\u003eSigma 60-600mm f\/4.5-6.3 DG DN OS Sports Arca-Type Foot\u003c\/h1\u003e\n\u003cp\u003e\nThe Hejnar Photo SIGFR-005 is a precision-machined Arca-Swiss compatible replacement foot specifically designed for the Sigma 60-600mm f\/4.5-6.3 DG DN OS Sports lens. This upgrade provides a rock-solid mounting solution that improves stability and reduces flex, allowing you to bypass proprietary plates and move seamlessly between professional tripod heads, gimbals, and monopod clamps.\n\u003c\/p\u003e\n\u003chr\u003e\n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e\n\u003ch2\u003eQuick Overview\u003c\/h2\u003e\n\u003cul\u003e\n\t\u003cli\u003eModel: SIGFR-005\u003c\/li\u003e\n\t\u003cli\u003eDirect replacement specifically for the Sigma 60-600mm f\/4.5-6.3 DG DN OS Sports Lens\u003c\/li\u003e\n\t\u003cli\u003eDouble-Dovetail Profile: Enables dual clamping surfaces for secondary accessory mounting\u003c\/li\u003e\n\t\u003cli\u003eDual QD Sockets: Integrated stainless steel Quick Detach sockets for secure push-button strap attachment\u003c\/li\u003e\n\t\u003cli\u003eEnhanced Stability: Low-profile design reduces lens flex and improves balance\u003c\/li\u003e\n\t\u003cli\u003ePrecision C.N.C. machined from 6061-T6 Aluminum\u003c\/li\u003e\n\t\u003cli\u003eBlack anodized surface for a professional, durable finish\u003c\/li\u003e\n\t\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003e\nUpgrade your Sigma 60-600mm DG DN OS Sports lens with a replacement foot engineered for professional reliability. The SIGFR-005 provides a native Arca-Swiss foundation, ensuring full compatibility with high-end clamps from RRS, Kirk, Acratech, and Wimberley. Its double-dovetail design adds modular versatility, allowing you to mount the foot into a head while simultaneously utilizing the upper dovetail for flash brackets or rails.\n\u003c\/p\u003e\n\u003cp\u003e\n\u003cstrong\u003eMilitary-Grade Carrying Security:\u003c\/strong\u003e This foot features two integrated stainless steel QD sockets. The QD system—trusted for decades by NASA, law enforcement, and military agencies—provides a fail-safe, anti-accidental-release connection. It is the safest way to carry your heavy glass on a shoulder strap, offering a secure push-button mechanism for professional sling systems.\n\u003c\/p\u003e\n\n\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLens Compatibility:\u003c\/strong\u003e Sigma 60-600mm f\/4.5-6.3 DG DN OS Sports\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061-T6 Aluminum\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Anodized Coat\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Double-Dovetail Arca-Type\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eQD Sockets:\u003c\/strong\u003e Two (2) Integrated Stainless Steel\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e Stainless steel mounting hardware included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67701623062633,"sku":"SIGFR-005-SIG1","price":95.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/SIGFR-005-1-2.jpg?v=1792111667"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/collections\/SIGFR-005-1-2.jpg?v=1792968960","url":"https:\/\/www.hejnarphotostore.com\/collections\/lens-foot-for-sigma.oembed","provider":"Hejnar Photo","version":"1.0","type":"link"}