iShoot Tripod Mount Ring, Lens Collar Support Compatible with Tamron 70-210mm f/4 Di VC USD A034, Built-in Arca Fit Quick Release Plate for Arca-Swiss Head Clamp

1. The lens collar is tailor-made for Tamron 70-210mm f/4 Di VC USD Lens A034 (Compatible with EF Mount and F Mount), can't be used for other lenses. 2. The tripod mount ring's inner diameter is about 74mm, with 3M film inside, preventing lens from scratches; net weight is about 155g. 3. The tripod collar bottom is added 70mm long 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 support bottom reserved 1/4" and 3/8" screw holes and stainless-steel anti-slip screw for fixing lens to tripod directly. 5. 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.