Lens Collar Stand Replacement Foot Tripod Mount Ring Base Compatible with Canon RF 600mm F11 IS STM and 800mm STM, Support Holder Arca Fit Quick Release Plate Dovetail Groove

1. The tripod mount ring support foot is tailor-made and compatible with Canon RF 600mm F11 IS STM and RF 800mm F11 IS STM, can't be used for other lenses； 2. The lens collar stand is made based on the lens structure, the screw holes are precisely coordinated, and the anti-skid positioning pin is designed. It is locked by spring screws, with wavy handles; 3. The tripod collar stand bottom is added 45mm long Arca fit quick release plate feature, can be used with 39mm Arca-swiss fit tripod ball head, panoramic head and clamp directly; more practical than lens collars without QR-Plate. 4. The Lens collar base bottom reserved 1/4" and 3/8" screw holes and stainless-steel anti-slip screw for fixing lens to tripod directly. 5. 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.