iShoot Lens Collar Tripod Mount Ring IS-S2470II --- Support Vertical Shoot Compatible with Sony FE 24-70mm F2.8 GM II, FE 16-35mm F2.8 GM II & FE 20-70mm F4 G Bottom is 39mm Arca Fit Quick Release Plate Feature Compatible with RRS / ARCA-SWISS Fit Tripod Head Clamp & Arca Fit Stabilizer Main Features: 1. The tripod mount ring is tailor-made according to the shape and structure of the lens. The inner wall of the tripod ring has a concave-convex irregular structure, avoiding lens bumps and switches; only compatible with Sony FE 24-70mm F2.8 GM II, FE 16-35mm F2.8 GM II & FE 20-70mm F4 G Lens, Not Compatible with Sony FE 24-70mm F2.8 GM lens; 2. The lens collar IS-S2470II can be combined with clamp mount converter IS-3950PRO (Sold Separately), which can be used for fluid heads and Stabilizer with Manfrotto 50 structure; 3. The tripod ring 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. Compatible with Sony Lens: FE 16-35mm F2.8 GM II FE 20-70mm F4 G FE 24-70mm F2.8 GM II Not compatible with Sony FE 24-70mm F2.8 GM lens. Tips: There should be no stickers on the installation position of the lens. If there are, they should be removed, otherwise the installation will be affected. Package Includes: 1 x iShoot Tripod Mount Ring IS-S2470II Compatible with Sony FE 24-70mm F2.8 GM II Lens (Note: The other items in the photos not listed here are for illustrating only, not included)