VILTROX EF-NEX IV High Electric Lens Mount Adapter Ring AF Auto Focus for Canon EF/EF-S Lens

Viltrox ef-nex iv electronic adapter viltrox ef-nex iv is the fourth generation electronic adapter produced by viltrox for canon ef or ef-s lenses to be used on Sony a9, a7, a6xxx and nex series cameras. Two main features are added on ef-nex iv, support contrast detection and phase detection auto focus mode , extend approx. 4. 5Mm max. Distance can be adjust accordingly. It is compatible with Sony A7 series full frame, Sony A9, A7, A6XXX and NEX series cameras, featuring functions of Auto focus(PDAF and CDAF) Integrated USB port for adapter firmware update, for adapter firmware update, connect adapter to computer with USB cable and execute latest file download from official website, do not required to attached adapter on camera Usage of focus mode switch ( PDAF and CDAF ), built-in metal electronic contact, and generation focus system It can realize AF, adjustable aperture from camera body to lens’s aperture Compatible for all the EF-lens