NiSi 49mm Filter Adapter for Ricoh GR3x

• • • • Canon EF mount lens to Blackmagic Design cameras with M43 mount, specific for BMPCC4K.
      • Increase maximum aperture by 1 ¹/₃ stop. (with a maximum output aperture of f/0.80).
      • Increase MTF.
      • Makes lens 0.64x wider.
      • Patented 7-element/4-group optical design by Caldwell Photographic in the USA.

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.

• 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)