Tripod Socket Lens Collar Foot Mount Ring Base Replacement Stand Compatible with Canon EF 100 400mm f/4.5 5.6L is II USM, Bottom Quick Release Plate for Arca Swiss Fit Ball Head Clamp

1. The lens collar support foot is tailor-made compatible with Canon EF 100-400mm f/4.5-5.6L IS II USM, can't be used for other lenses. 2. The tripod mount ring stand is referring to the original structure design, added the features of finger position and quick release plate, the volume is about 82mm x 38.5mm x 30mm, net weight is about 100g. 3. The tripod collar stand bottom is added 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" screw hole 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.