The 4nd generation{canon ef/ef-s to sony E adapter}! EF-NEX IV version, allows Canon EF and EF-S mount series lenses to be mounted on Sony NEX E-mount series cameras. Please contact us if you're not sure whether this lens adapter ring fits for your camera or lens.
Focus speed is faster. CDAF mode (contrast detection auto focus): Focus success rate is higher. Fast switching between two focus modes, effectively improve focusing speed.
Interior built-in aperture motor and an electronic contact; aperture of the lens controlled by means of an electronic contact; aperture control functions almost support all Sony NEX E-mount cameras; aperture can be adjusted directly from the camera side to control the actual aperture of the lens. Built-in IS stability, making focus more accurate and clear and better help you to take pictures.