1.Custom Fit Design: The lens collar tripod mount Rings is specifically designed for Z 24 to 200mm f46.3 VR, for DX 50 to 250mm f4.56.3 VR, and for Z 70 to 180mm F2.8 camera lenses, ensuring a precise fit and secure attachment.2.Versatile Compatibility: The 80mm quick release plate at the base includes 14 inch and 38 inch screw holes, making it compatible for Arca tripod ball heads, panoramic heads, and clamps for flexible use in various photography setups.3.Enhanced Stability and Balance: This lens collar, when attached to a tripod, provides optimal support and balance for heavy or long lenses, helping you maintain control and stability during shootings sessions.4.Aluminum Construction: Constructed from aircraft grade aluminum alloy and CNC precise machined, the lens collar superior strength, durability, and erosion resistants for long lasting performance.