Enhance the stability and protection of your long-focus lenses with this precision-engineered Long Focus Quick Release Plate, crafted from high-quality aluminum alloy using CNC machining and surface oxidation treatment for exceptional durability and strength. Designed to be installed between your camera body and long-focus lens, this quick release plate effectively shares the weight load, safeguarding your camera mount and lens from damage while significantly improving shooting stability. Key Features: · Premium Aluminum Alloy Construction: Manufactured with durable aluminum alloy and finished with surface oxidation, ensuring a solid, wear-resistant, and long-lasting quick release plate. · Weight Sharing Design: Strategically placed between the camera body and long-focus lens, it distributes the weight evenly to protect delicate mounts and enhance overall shooting stability. · Dual Bubble Levels: Equipped with two built-in bubble levels to assist in achieving precise alignment and leveling for professional-quality shots. · Universal 1/4” Screw Interface: Features a standard 1/4-inch screw interface for quick and easy camera mounting and dismounting. · Multiple Length Options: Available in three sizes—120mm, 250mm, and 400mm—to accommodate various shooting requirements and lens sizes. · Lightweight and Portable: Compact and easy to carry, making it an ideal accessory for bird watching, wildlife photography, and other outdoor shooting activities. Specifications: · Material: Aluminum Alloy · Color: Black · Size Options:  - F120-50: Approx. 120 x 50 x 12mm (4.72 x 1.97 x 0.47 inches)  - F250-50: Approx. 250 x 50 x 12mm (9.84 x 1.97 x 0.47 inches)  - F400-50: Approx. 400 x 50 x 12mm (15.75 x 1.97 x 0.47 inches) · Compatibility:  - F120-50: Suitable for lenses such as 18-200mm, 18-270mm, 18-300mm, 24-135mm, 55-200mm, 55-210mm, 55-250mm, 55-300mm, 70-200mm, 70-300mm, 75-300mm, 80-400mm, 100-400mm, and refraction mirrors of 500mm, 600mm, 800mm, 900mm.  - F250-50: Compatible with 200-500mm, 150-600mm (400mm focus), 500mm focus lenses, and 420-800mm zoom lenses.  - F400-50: Designed for select lenses with 600mm and 800mm focus, as well as 650-1300mm zoom lenses. (Note: Compatibility references are indicative and may not include all models.) Package Includes: · 1 x Long Focus Quick Release Plate · 1 x Wrench · 2 x 19mm Screws This Long Focus Quick Release Plate is an essential accessory for photographers seeking enhanced lens protection and shooting stability. Its precision construction and thoughtful features make it perfect for demanding outdoor photography such as bird watching and wildlife shooting, providing reliable support for your long-focus lenses in various shooting environments.