iShoot Improved 68mm Lens Collar Tripod Mount Ring Compatible with Nikon AF-S 300mm F/4E PF ED VR, 70-200mm F/4G VR Lens, ARCA-Swiss Fit Quick Release Plate for Arca Type Ball Head

1. This tripod mount ring is tailor-made and only compatible with Nikon AF-S NIKKOR 300mm F/4E PF ED VR lens and AF-S NIKKOR 70-200mm F/4G ED VR lens; 2. This lens collar is made of aviation aluminum, CNC precisely machined, hollow-out weight reduction design, surface anodized, with stainless steel screw; net weight is about 160g; 3. The lens bracket is Referencing to and modified from Nikon original standard design, structure is enhanced, details are improved, and add the function of quick release plate, more practical; 4. 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 1/4" and 3/8 " screw holes; 5. This lens holder bottom is 39mm Arca-Swiss fit quick release plate, compatible with RRS / ARCA-SWISS fit tripod ball head clamp.