Enhance your photography setup with this high-quality Tripod Collar Mount Ring, expertly crafted from durable aluminum alloy for long-lasting use and reliable performance. Designed specifically for Tamron 100-400mm f/4.5-6.3 Di VC USD (A035) lenses, this tripod collar mount ring ensures stable and secure lens support while allowing smooth rotation to capture every angle with ease. Key Features: · Premium Aluminum Alloy Construction: Made from robust aluminum alloy, this tripod collar mount ring offers excellent durability and resistance to damage, ensuring extended service life for professional and enthusiast photographers alike. · Precision CNC Processing: Manufactured using advanced CNC technology, the ring features hollowed sections to reduce weight, polished surfaces, and anodized finishing for enhanced stability and corrosion resistance. Equipped with stainless steel screws for added strength. · 360-Degree Rotation with Flocking Protection: The collar ring allows easy rotation in all directions to meet diverse photography needs. The interior is lined with soft flocking material to prevent scratches and protect your camera lens surface. · Quick Installation Design: Featuring a two-stage design with a 180-degree quick lock knob, this mount ring enables fast and secure attachment or removal. The inner diameter measures approximately 80mm (3.15in), with an 18mm (0.71in) ring width and a quick assembly plate length of about 90mm (3.54in). · Wide Compatibility: Built to AS standards, this quick installation board is compatible with popular tripod heads and mounts including RRS, ARCA, SWISS, PMG, WIMBERLEY, MARKINS, SUNWAYFOTO, BENRO, SIRUI, MARACE, ISHOOT, and many others. It supports various models such as IS JZ30, IS JZ50, IS JZ64, IS QJ58, IS QJ64, IS QJ64 FD, IS JZ60BK, IS JZ70MFT, and IS JZ80BK. · Versatile Threaded Holes: Equipped with G1/4 and G3/8 threaded holes for easy attachment to a wide range of tripods and accessories, enhancing flexibility in your photography workflow. Specifications: · Material: Aluminum Alloy · Weight: 191g (6.73oz) · Ring Inner Diameter: Approximately 80mm (3.15in) · Ring Width: 18mm (0.71in) · Applicable Lens: Tamron 100-400mm f/4.5-6.3 Di VC USD (A035) · Threaded Holes: G1/4, G3/8 Package Includes: · 1 x Tripod Collar Mount Ring This tripod collar mount ring is the perfect accessory to provide stable support and smooth maneuverability for your Tamron telephoto lens. Its lightweight, durable design and broad compatibility make it an essential tool for photographers seeking precision and convenience during shoots.