iShoot Metal Lens Collar Tripod Mount Ring Compatible with Tamron 18 300mm f/3.5 6.3 Di III A VC VXD B061 X/E Mount, Support Holder Bracket Bottom is Arca Swiss Fit Quick Release Plate Dovetail

1. The lens collar is tailor-made based on the lens structure, and the inner wall of the tripod ring is an irregular ring shape, only compatible with Tamron 18-300mm f/3.5-6.3 Di III-A VC VXD B061 (X Mount and E Mount) lens, cannot be used with other lens; support lens rotation and vertical shoot; 2. The contact surface between the inner wall of the tripod ring and the lens is plastic composite film, will not wear lens surface when installed correctly; there should be no stickers on the lens surface installation position, if there is, remove it, otherwise it will affect the normal installation; hollow-out weight reduction design, net weight is about 160g; 3. The tripod collar bottom is added 50mm long Arca fit quick release plate feature, compatible with Arca-Swiss 39mm fit tripod ball head, panoramic head and clamp directly; more practical than lens collars without QR-Plate; 4. The Lens support bottom reserved 1/4" and 3/8" screw holes and stainless-steel anti-slip screws for fixing lens to tripod directly; 5. The lens collar IS-TA1830 can be combined with clamp mount converter IS-3950PRO (Sold Separately), which can be used for fluid heads with Manfrotto structure.