Canon Lens EF14XIII Extender EF 1.4x mark III

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.

• • • • Viewfinder display of aperture, zoom and distance. (Distance display requires lens which supports distance information.)
      • Auto exposure.
      • Assignable function button.
      • Supports image stabilization (IS) lenses.
      • Power is supplied by camera body. No external power source is required.
      • Adapter firmware is user-upgradable through the built-in micro USB port.

• • • • 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.