iShoot Improved Lens Collar Tripod Mount Ring for Nikon RT1 Nikkor AFS 300mm F4E PF ED VR AFS 70200mm F4G ED VR Bottom Quick Release Plate Feature Compatible with ArcaSwiss 39mm Fit Ballhead

1 Made of aviation aluminum materials CNC precision machining anodized surface with stainless steel screw light weight hollow out design net weight is about 160g 2 Referring to and modified from original standard design structure is enhanced details are improved and add the function of quick release plate more practical Compatible with Nikon AFS 300mm F4E PF ED VR and AFS 70200mm F 4G ED VR lenses 3 Tripod mount rings inner diameter is about 68mm using embedded flocking to increase contact surface with three marks convenient for lens rotation and alignment fast spring lock convenient for quick assembly and disassembly or adjust camera body for composition removable quick release plate structure reserved 14 and 38 screw holes 4 Lens Collar Support Tripod Mount Ring Compatible with Nikon RT1 Nikkor AFS 300mm F4E PF ED VR and AFS 70200mm F4G ED VRBottom Quick Release Plate Feature Compatible with ARCASWISS 39mm Fit Ball Head 5 Quick release plate is AS 39mm standard compatible with ARCASWISS KIRK RSS ISHOOT ball head of Arca 39mm fit suitable for ISJZ30 ISJZ50 IS JZ64 ISQJ58 ISQJ64 ISJZ60BK ISJZ70MFT ISJZ80BK.