Viltrox EF-EOS M2

VILTROX EF-EOS M2 Lens Adapter 0.71x Speed Booster for Canon EF Lens to EOS EF-M Mirrorless Camera.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.

In addition to mechanically adapting Canon EF lenses to the EF-M mount (M system), it also reduces the focal length (x 0.71) and increases the aperture by about 1 aperture number. Electronic contacts mediate autofocus and aperture commands, as well as EXIF metadata; a USB port is used to upgrade FW. The underside of the adapter hosts a 1/4" thread for mounting elements/stat.