{"product_id":"canon-400mm-f-4-0-do-is-ii-arca-swiss-replacement-foot-with-qd-socket","title":"Canon 400mm f\/4.0 DO IS II Arca-Swiss Replacement Foot with QD Socket","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e \n\u003cdiv style=\"background:#e5e5e5;padding:12px 15px;margin-bottom:18px;\"\u003e \n  \u003cstrong\u003eHejnar Photo – H127-QD Arca-Swiss Replacement Foot for Canon 300mm f\/2.8 IS II\u003c\/strong\u003e \n\u003c\/div\u003e \n\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e \n\u003ch1\u003eCanon 300mm f\/2.8 IS II Lens Arca-Swiss Replacement Foot with QD Socket\u003c\/h1\u003e \n\u003cp\u003e \n  The Hejnar Photo H127-QD is a precision-engineered lens replacement foot designed for the Canon EF 300mm f\/2.8L IS II USM lens. This durable Arca-Swiss compatible foot features a built-in stainless steel Quick Detach (QD) socket for heavy-duty sling straps and a double-dovetail profile for multi-accessory clamping. CNC-machined from solid aircraft-grade 6061-T6 aluminum.\n\u003c\/p\u003e \n\u003chr\u003e \n\n\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e \n\u003ch2\u003eQuick Overview \u0026amp; Key Features\u003c\/h2\u003e \n\u003cul\u003e \n  \u003cli\u003e\n\u003cstrong\u003eExact Lens Fit:\u003c\/strong\u003e Custom replacement foot for Canon EF 300mm f\/2.8L IS II USM.\u003c\/li\u003e \n  \u003cli\u003e\n\u003cstrong\u003eQD Strap Integration:\u003c\/strong\u003e Built-in stainless steel QD socket for push-button sling mounts.\u003c\/li\u003e \n  \u003cli\u003e\n\u003cstrong\u003eDouble-Dovetail Design:\u003c\/strong\u003e Dual clamping surfaces support tripods and flash brackets simultaneously.\u003c\/li\u003e \n  \u003cli\u003e\n\u003cstrong\u003eFocus Ring Clearance:\u003c\/strong\u003e Ergonomic height allows ample finger room to freely use the manual focus ring.\u003c\/li\u003e \n  \u003cli\u003e\n\u003cstrong\u003ePremium Materials:\u003c\/strong\u003e CNC-machined from solid 6061-T6 aluminum with black hard-coat anodizing.\u003c\/li\u003e \n  \u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Proudly manufactured with professional-grade tolerances.\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 H127-QD replacement foot is the ideal professional upgrade for photographers looking to maximize the stability of their Canon EF 300mm f\/2.8L IS II USM lens. This plate seamlessly integrates an Arca-Swiss compatible dovetail, allowing you to slide the lens directly into gimbal heads, ball heads, and tripod clamps without adding the bulk of extra plates.\n\u003c\/p\u003e \n\u003cp\u003e \n  The double-dovetail profile provides exceptional versatility. You can mount your primary camera setup to your tripod using the bottom track while using the top track to clamp on external flash brackets, video accessories, or macro rails. \n\u003c\/p\u003e \n\u003cp\u003e \n  A standout feature of this model is the integrated stainless steel Quick Detach (QD) socket. This military-grade carry system allows you to click on standard push-button sling-style straps (like Black Rapid or Magpul) for rapid transitions and comfortable outdoor carry, then detach instantly to mount onto your rig.\n\u003c\/p\u003e \n\u003cp\u003e \n  \u003cstrong\u003eHow to Install the H127-QD:\u003c\/strong\u003e\u003cbr\u003e\n  To remove your original factory foot, use a standard M3 hex key tool (included with the H127 series) to completely extract the four Canon mounting screws. To install the H127-QD, simply use the four original Canon screws to secure the new replacement foot tightly to the lens collar. For added security in rugged outdoor conditions, consider applying a drop of Loctite 242 removable threadlocker to the screws.\n\u003c\/p\u003e","brand":"Hejnar Photo","offers":[{"title":"Default Title","offer_id":67866188742761,"sku":"H127-C4","price":85.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/1278\/9353\/files\/H127-2.jpg?v=1792111177","url":"https:\/\/www.hejnarphotostore.com\/products\/canon-400mm-f-4-0-do-is-ii-arca-swiss-replacement-foot-with-qd-socket","provider":"Hejnar Photo","version":"1.0","type":"link"}