Enhance your photography with the precision-engineered Tripod Mount Ring, designed specifically for the RF 100 to 400mm F5.6 to 8 IS USM lens. This essential accessory provides unparalleled support and stability for your telephoto lens, ensuring optimal performance in every shot. Specialized Applications: Specifically crafted for the RF 100 to 400mm F5.6 to 8 IS USM lens, this tripod mount ring offers a perfect fit with an inner diameter of approximately 86mm. Weighing just 122g, it provides robust support without adding unnecessary weight to your gear. Premium Aluminum Alloy Construction: Made from aviation-grade aluminum alloy, this mount ring is CNC precision machined for superior strength and durability. It includes a built-in anti-slip pad to prevent scratches and ensure your lens remains secure and protected during use. Effective Fixation and Balancing: This mount ring allows you to securely attach and balance heavy telephoto lenses on a tripod. It helps distribute the weight away from the camera body, reducing strain and enabling more stable shooting, whether mounted on a tripod or suspending the lens from the camera front. Extensive Expansion Options: Equipped with a 70mm quick release plate featuring 1/4 inch and 3/8 inch screw holes plus an Arca port, this lens collar is compatible with a wide range of tripod ball heads, panoramic heads, and clamps. Its versatile design accommodates various professional photography setups. Easy Installation: The mount ring is designed for user-friendly installation, featuring a large thumb knob that allows for quick loosening or tightening. This ensures effortless attachment and removal of your lens, making adjustments fast and simple during your photography sessions. Specifications: Item Type: Lens Tripod Mount Ring Material: Aluminum Alloy Weight: Approx. 206g/7.3oz Inner Diameter: Approx. 86mm/3.4in Optimize your shooting experience with the Lens Tripod Mount Ring, providing stability and balance for your telephoto lenses. Whether you're capturing wildlife, sports, or landscapes, this accessory is a vital addition to your photography toolkit, offering both functionality and protection for your valuable equipment.