iShoot Lens Collar Tripod Mount Ring Compatible with Tamron 70-300 f/4.5-6.3 Di RXD III A047 Z Mount, Support Holder Bracket Arca Fit Quick Release Plate Dovetail for Arca-Swiss Type Clamp Stabilizer

1. The tripod mount ring is tailor-made according to the shape and structure of the lens. A USB upgrade hole is reserved. The inner wall of the tripod ring has a concave-convex irregular structure, only compatible with Tamron 70-300 f/4.5-6.3 Di RXD III A047 Z-Mount lens, not compatible with Sony E mount or other lenses; 2. The tripod collar bottom is added 50mm long Arca fit quick release plate feature, can be used with 39mm Arca-swiss fit tripod head and clamp directly, more practical than lens collars without QR-Plate; 3. The quick release plate’s bottom is improved with new design, which is compatible with the handheld stabilizer with the same structure; also reserved 1/4" and 3/8" screw holes and stainless-steel anti-slip screws for fixing lens to tripod directly； 4. The tripod ring is tightly combined with the lens, and there should be no stickers at the installation position. If there is, it should be removed, otherwise it will affect the installation. The inner wall of the tripod ring and the contact surface of the lens are partly made of PVC film; 5. When installing, loosen the knob, align the installation position, and gently push to lock it; please do not use excessive force. The tripod ring can only support horizontal shooting, not support vertical shooting.