The mount bracket is compatible with SmallRig BMPCC 4K cage 2203/2254/2255 and Metabones adapter. 【You must have a metabones adapter and a SmallRig camra cage if you want to use this product】
Lock the adapter in place and reduce load when you mount a heavy lens onto your camera, also effectively prevent signal-interrupt
Designed for 3 models of Metabones Lens Adapter: Canon EF Lens to Micro Four Thirds T Smart Adapter (MB_EF-m43-BT2), Canon EF Lens to Micro Four Thirds T Speed Booster XL 0.64x (MB_SPEF-m43-BT3), Canon EF Lens to Micro Four Thirds T CINE Speed Booster ULTRA 0.71x (MB_SPEF-m43-BT5)
Mounted to the cage with two M4 screws and lock the Metabones Lens Adapter by one 1/4 screw
Made of aluminum alloy, sturdy and durable