iShoot Metal Lens Collar Replacement Foot Tripod Mount Ring Base Compatible with Sigma MC-21 EF-L Mount Converter Lens Adapter, Lens Support Bracket Holder Built-in Arca-Swiss Fit Quick Release Plate

1. The lens collar foot is tailor made for Sigma MC-21 EF-L Mount Converter Lens Adapter for Canon EF Mount Lenses to Panasonic Lumix L Mount Cameras, can't be used for other lenses or converters; Sigma MC-21 EF-L Mount Converter is not included; 2. The tripod mount ring base volume is about 32 x 39 x 36mm, net weight is about 65g; the locking screw has a built-in spring; 3. The bottom quick release plate of the tripod mount foot is about 36mm in length, adopts ARCA-SWISS / RRS standard fit, can be used with 39mm Arca-swiss fit tripod ball head, panoramic head and clamp directly; more practical than lens collar foot without dovetail groove; 4. The Lens support foot 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 replacement 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.