iShoot Metal Lens Collar Tripod Mount Ring Compatible with Canon RF 100-500mm f/4.5-7.1L is USM, Lens Support Holder Bracket Bottom is Arca-Swiss Fit Quick Release Plate Dovetail Groove - FBA-IS-RF150

• UPC   767159626047
• 1. The original structure and design of F (WIII) are adopted, and the function of quick release plate is added at the bottom. the inner wall of the tripod ring bracket is a concave-convex irregular structure, which is closely integrated with the lens. compatible with Canon RF 100-500mm f/4.5-7.1L IS USM Lens, can't be used for other lenses. 2. The contact surface is plastic composite film, will not wear lens surface when installed correctly. there should be no stickers on the lens surface installation position, if there is, remove it, otherwise it will affect the normal installation. after installation, it can be freely rotated like the original tripod ring. 3. The tripod collar bottom is added 60mm long Arca fit quick release plate feature, compatible with Arca-Swiss 39mm fit tripod ball head, panoramic head and clamp directly. more practical than lens collars without QR-Plate. 4. The Lens support bottom reserved 1/4" and 3/8" screw holes and stainless-steel anti-slip screws for fixing lens to tripod directly. 5. The lens collar IS-RF150 can be combined with clamp mount converter IS-3950PRO (Sold Separately), which can be used for hydraulic heads with Manfrotto structure.