Functions: Viltrox EF-EOS M2 mount adapter is designed to allow Canon EF-mount series lenses to be used on interchangeable-lens digital cameras that compatible with EF-M lens.
Focal length is multiplied by 0.71 based on the original (equivalent focal length = focal length x 0.71), which helps enlarge 1 level aperture. It is also built in 4 groups, 4pcs optical glasses.
By adapter mounting it can achieve functions of EXIF signal transmission, AF (autofocus) and adjustable aperture,etc. Firmware upgrade is via the USB port.
Features: * With auto focusing function; * Can increase the lens 1 f-stop, increasing the amount of light into the virtual background, can better highlight the theme; * Reduced imaging focal length, the actual focal length after using EF-FX2 for 0.71 times the focal length. * Zinc alloy technology, stable and reliable; * Signal transmission using PIN gold needle, greatly enhance its transmission performance; * Ring at the bottom with 1/4 screws, which can easy installed on the tripod or other fixed bracket;
Notice:This adapter is not suitable for Canon EF-S mount lens!