The Viltrox EF-NEX IV electronic adapter connects Canon EF/EF-S lenses to Sony E-mount cameras. It supports autofocus, aperture control and EXIF transmission, with firmware updates via USB.
The Viltrox EF-NEX IV electronic adapter connects Canon EF/EF-S lenses to Sony E-mount cameras. It supports autofocus, aperture control and EXIF transmission, with firmware updates via USB.

EF-NEX IV maintains the key link between lens and camera: autofocus, aperture control, EXIF data and stabilization support with compatible lenses.
Phase- and contrast-detection focusing support depends on the camera and lens.
Adjust aperture from the camera and record lens information in image metadata.
The Micro USB port enables compatibility improvements for more equipment combinations.
The integrated foot with a 1/4-inch thread helps relieve the camera mount when using heavier lenses.


Designed for Canon EF/EF-S lenses and Sony E cameras; available functions vary by the particular lens and body.
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