iShoot Lens Tripod Mount Ring for Nikon AF-S 200-500mm F5.6E ED VR Lens, Lens Collar Support Bracket Holder with ARCA Fit Quick Release Plate Compatible with Standard Ball Head of 39mm ARCA-SWISS Fit

【1】Made of Aviation Aluminum, CNC precisely machined, surface anodic oxidation, with stainless steel screw, lightweight design of hollow, weight is about 250g; 【2】Referring to and modified from Nikon original standard design, structure is enhanced, details are improved, and added the features of finger position and quick release plate, more practical; 【3】Tripod mount ring’s inner diameter is about 79mm, using embedded flocking to increase contact surface; with four marks, convenient for lens rotation and alignment; fast spring lock, convenient for quick assembly and disassembly; split-type design, removable quick release plate structure, reserved 1/4" and 3/8" screw holes; 【4】iShoot Lens Tripod Mount Ring for Nikon AF-S 200-500mm F5.6E ED VR Lens, Lens Collar Support Bracket Holder with ARCA Fit Quick Release Plate Compatible with Standard Ball Head of 39mm ARCA-SWISS Fit; 【5】Bottom is quick release plate of Arca 39mm standard fit, compatible with RRS / ARCA-SWISS / KIRK / WIMBERLEY / MARKINS / SUNWAYFOTO / KANGRINPOCHE / BENRO / SIRUI / MARSACE / 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.