Blackmagic Design Blackmagic URSA Mini Pro F Mount

• Canon EF mount lens to Blackmagic Design cameras with M43 mount, specific for BMPCC4K.
• Increase maximum aperture by 1-stop. (with a maximum output aperture of f/0.9).
• Increase MTF.
• Makes lens 0.71x wider.
• Patented 6-element/4-group optical design by Caldwell Photographic in the USA.

• Nikon F-mount lens to Sony E-mount cameras ;
• Compatible with both Nikkor F lens build-in with a manual aperture ring (including AF-D, AF, AI-S, AI & non-AI lens).
• Aluminum Alloy and Brass Construction with Chromium Plating ;
• Felt material flocked Interior to reduce internal reflection ;
• 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.