iShoot Lens Collar Replacement Foot Tripod Mount Ring Base Compatible with Nikon AF-S 70-200mm f/2.8E FL ED VR, AF-S 500mm f/5.6E PF ED VR, Quick Release Plate for Arca-Swiss Fit Tripod Head Clamp - IS-THN720II

• 1. The lens tripod mount ring replacement foot is referencing to and modified from original factory design, nd the size is same as the original one. details are improved. bottom added the feature of Arca-Swiss fit quick release plate, more practical. 2. The lens replacement foot is Only compatible with Nikon Nikkor AF-S 500mm f/5.6E PF ED VR and Nikkor AF-S 70-200mm f/2.8E FL ED VR lens. NOT compatible with Nikkor Z 70-200mm f/2.8 VR S, Nikkor AF-S 70-200mm f/2.8G ED VR, Nikkor AF-S 70-200mm f/2.8G ED VR II, and other 70-200/2.8 lenses. 3. The lens collar replacement base is made of aviation aluminum, CNC precisely machined, anodized surface, with spring clip, knob lock and stainless-steel anti-skid nails. 4. Bottom is Arca-Swiss fit quick release plate, compatible with RRS / ARCA-SWISS Fit Tripod Head & Clamp, and the length of the plate is about 70mm, reserved with 1/4 and 3/8 screw holes. the stainless-steel limit screws at the bottom are removable. 5. The lens collar foot IS-THN720II can be combined with clamp mount converter IS-3950PRO (Sold Separately), which can be used for fluid heads with Manfrotto 50 structure. or combined with iShoot long focus lens support IS-TB02 (Sold Separately), for protecting the lens bayonet.