Compatibility: EF-GFX Pro metal lens converter compatibly connect CAN0N EF/EF-S series lenses with Fuji G-mount cameras, including Fuji-film GFX 100 100S 50S 50SII 50R. Quick and precise AF(auto-focusing); support aperture adjustment; parameters of aperture, shutter speed, exposure and ISO can be controlled directly from camera side. P/A Mode Switch: free switch between P/A mode of related camera; automatic aperture adjustment when switching to P mode; choose to adjust aperture ring manually when switching to A mode. Micro Type-C Upgrading Port: designed with a micro Type-C port for upgrading new software once available, achieving latest improved functions and fixing bugs. More Features: light in weight (153g); built-in metal electronic contacts; support lens IS function; smooth EXIF information transmission; thread inner surface design; designed with a manual aperture control ring.