iShoot Metal Lens Collar Tripod Mount Ring Compatible with Canon RF 100-400mm f/5.6-8 is USM, Lens Support Holder Bracket Bottom is Arca-Swiss Fit Quick Release Plate Dovetail Groove
- ...tical 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-RF140 can be combined with clamp mount converter IS-3950PRO (Sold Separately), which can be used for fluid heads with Manfrotto structure..