Precision mounting plate and clamp designed for secure, adjustable support for accessories that require a 50 mm ring Key benefits Secure clamp: Max clamping 50 mm provides firm hold for rings, adapters, and accessory mounts up to 50 mm thick. Flexible thread compatibility: Mounted thread accepts 6 mm or 1/4 inch fittings to work with common tripods, stands, and mounting arms. Choice of base sizes: Precision big bottom plate is available in 380 mm x 370 mm or 510 mm x 510 mm, offering stable support for larger setups or compact workstations. Adjustable height: Maximum height 830 mm allows flexible positioning for shooting, measuring, or assembly tasks. Compact interface: size 51 mm with 50 mm ring keeps the mounting interface consistent with standard 50 mm rings. What makes it useful Solves stability and compatibility challenges by combining a large, precision base with a compact, standardized mounting ring and dualthread compatibility. Reduces setup time by allowing direct mounting of accessories that match the 50 mm ring and either 6 mm or 1/4 inch thread. Supports repeatable, stable positioning when precise alignment and clamping are required. Typical applications Photography and videography: Securely mount lens support rings, small camera rigs, or followfocus components that use a 50 mm ring and 1/4 inch or 6 mm threads. Studio and lighting setups: Use the large bottom plate to stabilize lights, monitors, or accessory bars where a wide footprint improves balance. Workshop and inspection: Mount measurement tools, sensors, or small instruments that require precise clamping and adjustable height. Specifications Size: 51 mm with 50 mm ring Precision big bottom plate size: 380 mm x 370 mm or 510 mm x 510 mm Height: Max 830 mm Mounted thread: 6 mm or 1/4 inch Max clamping: 50 mm This product is appropriate for setups that require a stable base, a standardized 50 mm ring interface, and the flexibility to use common 6 mm or 1/4 inch mounting threads.