Blackmagic Design Blackmagic URSA Mini Pro B4 Mount (NOT compatible with URSA Mini Pro 12K)

To clear up any potential confusion, this is NOT Sony Alpha, but Alpa of Switzerland. You will most likely be using the Kern Macro Switar 50mm f/1.8 or f/1.9 apochromat lens on this adapter.

• Canon FD and FL Lens to Leica/ Panasonic/ Sigma L-mount cameras ;
• Aluminum Alloy and Brass Construction with Chromium Plating ;
• Felt material flocked Interior to reduce internal reflection ;
• Rubber gasket protects the L-mount connection from dust and moisture.
• Satin Surface Finish ;
• Detachable Arca-Type tripod foot compatible with Arca Swiss, Markins, and Photo Clam ball heads(clamp directly or attach to quick release plate by a 1/4″-20 screw).