iShoot Tripod Mount Ring Base Lens Collar Replacement Foot IS-THN720II Compatible with Nikon Nikkor AF-S 70-200mm f/2.8E FL ED VRccand AF-S 500mm f/5.6E PF ED VR Lens Bottom is RRS/ Arca-swiss Fit Quick Release Plate, Compatible with RRS / ARCA-SWISS Fit Tripod Head & Clamp Main Features: 1. 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; 2. The tripod mount ring base is made of Aviation Aluminum, CNC precisely machined, hollow-out weight reduction design, polished and surface anodized finish. The appearance and exquisite workmanship are much better than similar products made by mold. Compatible with Nikon Lens: Nikkor AF-S 500mm f/5.6E PF ED VR Nikkor AF-S 70-200mm f/2.8E FL ED VR Note: This lens foot is 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 NOT compatible with other Nikon 70-200/2.8 lenses. Package Includes: 1 x Metal Replacement Lens Foot IS-THN720II (Note: The other items in the photos not listed here are for illustrating only, not included)