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

KEY FEATURES

• 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