iShoot Tripod Mount Ring Compatible with Canon Adapter EF EOS R 2971C002, Diameter 73mm All Metal Lens Collar Bracket Support Arca Swiss Type Quick Release Plate for Head Clamp

The lens collar is tailor-made and compatible with the Canon Mount Adapter EF-EOS R. The net weight is about 160g; The tripod mount ring is made of aviation aluminum, CNC precisely machined, hollow-out weight reduction design, polished and surface anodized, with stainless steel screw; Positioning by the switch, can not be rotated. All corners are grinding rounded, using 3M plastic film inside to prevent lens wear; the inner diameter is about 73mm and the width is about 18mm; Added the function of quick release plate in the bottom. The length of the QR plate is about 55mm, with 1/4 and 3/8 screw holes and stainless-steel anti-slip screws. The net weight is about 160g; Bottom quick release plate is AS 39mm standard, compatible with RRS / ARCA-SWISS / PMG / WIMBERLEY / MARKINS / PHOTOCLAM / SUNWAYFOTO / BENRO / SIRUI / MARSACE / ISHOOT tripod ball head of Arca 39mm fit, suitable for iShoot IS-JZ30 / IS-JZ50 / IS-JZ64 / IS-QJ58 / IS-QJ64-FD / IS-JZ70MFT / IS-JZ80BK / IS-JZ85MFT clamp.