iShoot All-Metal Lens Collar Bracket Tripod Mount Ring Compatible with Tamron 100-400mm f/4.5-6.3 Di VC USD(A035) Lens, Built-in ARCA-Swiss Fit Quick Release Plate for Arca Type Head Clamp

1. The tripod mount ring is tailor-made and compatible with Tamron 100-400mm f/4.5-6.3 Di VC USD(A035) Lens, NOT compatible with Tamron 50-400mm f/4.5-6.3 Di III VXD A067 lens; Net weight is about 180g; 2. The improved lens bracket adopted the standard of original factory, with 3M film inside, inner diameter is about 81.5mm, width is about 18mm; 3. The bottom of this lens support is added 39mm Arca-Swiss fit quick release plate feature, compatible with RRS / ARCA-SWISS / ISHOOT tripod head & clamp of Arca 39mm fit; 4. This lens holder bottom Quick Release Plate is about 90mm long, with 1/4 and 3/8 screw holes and stainless steel anti-slip screw; 5. The all metal lens collar is made of aviation aluminum, CNC precisely machined, hollow-out weight reduction design, surface polished and anodized, with stainless steel screw;