{"product_id":"canon-ef-400mm-f-2-8l-is-i-ii-low-profile-arca-swiss-foot","title":"Canon EF 400mm f\/2.8L IS I \u0026 II Low Profile Arca-Swiss Foot","description":"\u003c!-- ===================== GRAY BANNER ===================== --\u003e\n\u003cdiv style=\"background: #e5e5e5; padding: 12px 15px; margin-bottom: 18px;\"\u003e\u003cstrong\u003eHejnar Photo – \u003cspan\u003eCanon EF 400mm f\/2.8L IS I \u0026amp; II Low Profile Arca-Swiss Foot\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003c!-- ===================== SEO BLOCK (TOP) ===================== --\u003e\n\u003ch1\u003e\u003cspan\u003eCanon EF 400mm f\/2.8L IS I \u0026amp; II Low Profile Arca-Swiss Foot\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003eThe Hejnar Photo H118-C is a precision-engineered, low-profile Arca-Swiss compatible replacement foot designed specifically for Canon telephoto lenses. 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.\u003c\/p\u003e\n\u003chr\u003e\u003c!-- ===================== QUICK OVERVIEW ===================== --\u003e\n\u003ch2\u003eQuick Overview\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eModel: H118-C (Low Profile Version)\u003c\/li\u003e\n\u003cli\u003eDirect replacement specifically for compatible Canon lenses\u003c\/li\u003e\n\u003cli\u003eDouble-Dovetail Profile: Clamping surfaces on both the front and back for dual mounting and flash bracket compatibility\u003c\/li\u003e\n\u003cli\u003eLow Profile Design: Enhances lens balance and reduces bulk on tripod and monopod setups\u003c\/li\u003e\n\u003cli\u003eHardware Included: Ships with four high-strength mounting screws and an M3 hex key\u003c\/li\u003e\n\u003cli\u003ePrecision C.N.C. machined from 6061-T6 Aluminum\u003c\/li\u003e\n\u003cli\u003eBlack anodized surface for a professional, durable finish\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- ===================== PRODUCT DESCRIPTION ===================== --\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe H118 replacement foot is designed to streamline your Canon 400mm f\/2.8L setup by replacing the bulky factory foot with a sleek, low-profile Arca-Swiss compatible solution. The double-dovetail design is a standout feature, providing a secondary clamping surface on the top of the rail for secure attachment of flash brackets or other lens-mounted accessories.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Instructions:\u003c\/strong\u003e\u003cbr\u003eTo remove the original Canon foot, use the included M3 hex key tool to remove the four mounting screws.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIS Version II:\u003c\/strong\u003e Use the four screws provided with the H118 to secure the new foot to the lens collar.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIS Version I:\u003c\/strong\u003e Use the four original screws from the existing Canon foot for mounting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eFor long-term security, it is recommended to check screws periodically; for permanent installation, consider using a small amount of Loctite 242.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePrecision-machined in the USA from aircraft-grade aluminum, the H118 reduces the height of your lens setup, making it more stable on a tripod and easier to fit into gear bags.\u003c\/p\u003e\n\u003c!-- ===================== INSTALLATION INSTRUCTIONS ===================== --\u003e\n\u003ch2\u003eSimple Installation\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eUse the included M3 hex key to completely remove the four factory mounting screws from the original foot.\u003c\/li\u003e\n\u003cli\u003ePosition the H118-C foot and secure it to the lens collar using the \u003cstrong\u003efour provided mounting screws\u003c\/strong\u003e.\u003c\/li\u003e\n\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\u003c!-- ===================== SPECIFICATIONS ===================== --\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLens Compatibility:\u003c\/strong\u003e Compatible Canon telephoto lenses\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061-T6 Aluminum\u003c\/li\u003e\n\u003cli\u003e6.4 inches \u003cstrong\u003elong\u003c\/strong\u003e (1625 mm)\u003c\/li\u003e\n\u003cli\u003e1.68 inches \u003cstrong\u003ewide\u003c\/strong\u003e(426 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 4.8 oz (136g)\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":67726365458537,"sku":"H118-C1","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","url":"https:\/\/www.hejnarphotostore.com\/products\/canon-ef-400mm-f-2-8l-is-i-ii-low-profile-arca-swiss-foot","provider":"Hejnar Photo","version":"1.0","type":"link"}