Features: The VELEDGE Lens Collar for . 180 600mm f/5.6 6.3 a secure compatible mount with rubber padded rotation locks, ensuring scratch stability for heavy telephoto lenses. Crafted from lightweight 6061 aluminum alloy with an anodized finish, this collar features three 1/4 20 and two 3/8 16 threaded holes plus removable safety screws for versatile accessory integration. Ideal for professional photographers and gear collectors seeking compatibility with tripods, gimbals, or sliders while protecting their high end telephoto lenses. Perfect for wildlife or sports photography setups, this durability base enhances stability during extended in outdoor environments. Its machined anti wear ensures long term durability, minimizing maintenance for frequent travelers and demanding studio workflows. Specifications: Component: Aluminum alloy Size: 10X13X8.8CM Attribute: Black . 180-600mm f.5.6-6.3V.R Technical parameters: Supports stable installation, enhances balance during shooti, and is suitable for a variety of photography environments. Use scenarios: Suitable for professional photographers to use in outdoor shooti, sports , wildlife observation and other occasions, improving shooti stability and picture quality. Package Includes: - Lens base × 1 note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.