Blackmagic Design Blackmagic URSA Mini Pro EF Mount

• Arri PL Lens to Leica/ Panasonic/ Sigma L-Mount camera
• Aluminum Alloy and Brass Construction with Chromium Plating 
• Felt material flocked Interior to reduce internal reflection
• Satin Surface Finish
• Detachable Arca-Type Tripod Foot, and compatible with Metabones Mount-Rod Support Kit (also compatible with Arca Swiss, Markins, and Photo Clam ball heads)

• 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).

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.