Feature: 1. COMPATIBLE MODEL: Specifically designed for Samyang AF 35 to 150mm lens, it provides the necessary support for steady shots and improved photography results. 2. MORE DESIGNS: Featuring a 70mm quick release plate at the bottom, with 1/4 inch and 3/8 inch screw holes, it can compatible with for Arca tripod ball head, panoramic ball head, and clamps. 3. ABRASION PROOF: The touching surface is specially designed, which can effectively protect your lens from scratches and damage after correct installation. There should not be any stickers on the surface of the lens at the mounting location. If there are any, please remove them, otherwise it will affect the normal installation. Once mounted, it can be rotated freely like the original tripod ring. 4. MOUNTING AND FUNCTION: The tripod mounting ring is able to be mounted on a tripod. It helps you to fix and balance a heavy or long lens hanging in front of your camera. 5. PREMIUM MATERIAL: Crafted from aviation grade aluminum alloy, it offers outstanding durability and strength. The CNC machining enhances its ability to withstand wear and erosion. Specification: Item Type: Tripod Mount Ring Material: Aluminum Alloy Applicable Model: For SAMYANG AF 35-150mm Lens. Package List: 1 x Tripod Mount Ring1 x Wrench