Based on Canon original tripod mount ring design, optimized its details and added the function of quick release plate to make it more practical than the original one.
Made of aviation aluminum, CNC precision machining, anodized surface, split structure, built in non slip patch, copper knob, stainless steel anti skid nails, which is a perfect replacement for the original tripod mount ring C.
Net weight of this tripod mount ring is about 165g, inner diameter about 80mm, width 18mm, with quick release plate on the bottom. The quick release plate is 76mm long, and reserved 1 4 and 3 8 screw holes.
The quick release plate adopts the AS standard and is compatible with the standard tripod head such as RRS ARCA SWISS KIRK WIMBERLEY MARKINS SUNWAYFOTO KANGRINPOCHE BENRO SIRUI MARSACE ISHOOT, and also suitable for IS JZ30 IS JZ50 IS JZ64 IS QJ58 IS QJ64 IS QJ64 FD IS JZ60BK IS JZ70MFT IS JZ80BK.
Application Range EF 28 300mm f 3.5 5.6L IS USM, EF 70 300mm f 4 5.6L IS USM