• 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.