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 - ZP-IS-N250

• 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 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.