Lens Collar Tripod Mount Ring Compatible with Canon EF 70-200 f/2.8L USM, IS II III 100-400 f/4.5-5.6L 300 f/4L 35-350mm f/3.5-5.6L USM,w/Arca QR Plate

1. The Tripod Mount Ring is compatible with EF 70-200mm f/2.8L USM, EF 70-200mm f/2.8L IS USM, EF 70-200mm f/2.8L IS II USM, EF 70-200mm f/2.8L IS III USM, EF 100-400mm f/4.5-5.6L IS USM, EF 35-350mm f/3.5-5.6L USM, EF 300mm f/4L IS USM lens; 2. Referring to and modified from original standard design, bearing is enhanced, details are improved, and added the features of quick release plate, more practical; 3. Made of Aviation Aluminum, CNC precisely machined, surface anodic oxidation; integrated structure, built-in anti-skid patch, copper knob, stainless steel anti-skid nails; 4. Weight is about 135g, inner diameter is about 78mm; bottom with quick release plate structure, the plate’s length is about 65mm, with 1/4" and 3/8" screw holes; 5. Quick release plate is Arca-swiss 39mm standard, compatible with RRS / ARCA-SWISS / ISHOOT ball head of Arca 39mm fit, suitable for IS-JZ30 / IS-JZ50 / IS- JZ64 / IS-QJ58 / IS-QJ64 / IS-JZ60BK / IS-JZ70MFT / IS-JZ80BK.