Key Features

•    Increase maximum aperture by 1 stop.
•    Increase MTF.
•    Makes lens 0.71x wider.
•     Advanced 5-element/4-group optical design incorporating ultra-high index tantalum-based optical glass by Caldwell Photographic in the USA (patent pending).
•    The tripod foot is detachable and compatible with Arca Swiss, Markins, Photo Clam ball heads.


Disclaimer: we are NOT licensed, approved or endorsed by Alpa or Fuji.



** 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.