iShoot Metal Tripod Mount Ring Lens Collar Compatible with Canon RF 28-70mm f/2L USM, Lens Support Holder Bracket Bottom is Arca-Swiss Fit Quick Release Plate Suitable for ARCA Fit Tripod Head Clamp

1. The lens collar is specially tailor made for Canon RF 28-70mm F2L USM, can't be used for other lenses; customized according to the shape and structure of the lens, support vertical shoot, but can't be rotated;. 2. The net weight of the tripod mount ring is about 185g, inner diameter is about 74.5mm, the width is about 18mm. Overall one-time molded, and 3M plastic protective film is attached, locking knob with non-slip design;. 3. The tripod collar bottom is added 70mm 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 dovetail groove;. 4. The Lens support bottom reserved 1/4"" and 3/8"" screw holes and stainless-steel anti-slip screw for fixing lens to tripod directly;. 5. The tripod ring support 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.