Metabones Canon FD to E-mount Speed Booster ULTRA 0.71x (MB_SPFD-E-BM2)
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 tanatalum-based optical glass by Caldwell Photographic in the USA (patent granted).
The tripod foot is detachable and compatible with Arca Swiss, Markins, Photo Clam ball heads.
