Feature:1. Enhanced Stability: Specifically designed for FE 24 to 105, 85mm, 24mm, and 135mm lenses, this lens collar helps balance your camera and lens on a tripod, securely fix heavy lenses, and alleviate weight strain on the camera body.2. Versatile Compatibility: Featuring an AS standard lens collar with a 70mm for Arca quick release plate at the bottom, equipped with 1/4 inch and 3/8 inch screw holes, it is compatible with tripod ball heads, panoramic heads, and clamps.3. Aluminum Alloy Construction: The camera tripod mount ring is constructed from aluminum alloy, CNC machined, hollowed out for weight reduction, polished and anodized finish, with built in non slip pad to protect your lens from scratches.4. Secure Mounting: The lens collar ring can be mounted on a tripod, aiding in securing and balancing heavy telephoto lenses or hanging telephoto lenses on the front of the camera, weighing approximately 153g with an inner diameter of about 61mm.5. Easy Installation: The tripod mount ring's white installation marking correspond to the mounting indicators on the lens, simply rotate the locking knob on the product to secure, allowing for quick and easy installation and removal.Specification:Item Type: Camera Tripod Mount RingMaterial: Aluminum AlloyGross Weight: Approx. 231g/8.1ozNet Weight: Approx. 153g/5.4ozInner Diameter: Approx. 61mm/2.4in.Package List:1 x Lens Collar Tripod Mount Ring1 x Wrench