Adattatore Metabones Speed Booster, per usare ottiche Canon EF su fotocamere Sony con E-mount (APS-C).
Increase maximum aperture by 1 stop.
Increase MTF.
Makes lens 0.71x wider.
Optics designed by Caldwell Photographic in the USA (patent granted).
Electronic integration of aperture diaphragm, controlled by or from the camera body.
Partial autofocus support for late-model (post-2006) Canon-brand lenses.
Powered by camera body. No external power source required.
The tripod foot is detachable and compatible with Arca Swiss, Markins, Photo Clam ball heads.
High performance 32-bit processor and efficient switched-mode power supply.