Compatibility: Allow for Canon EF mount series lens to be used on M4/3 camera. We will glad to help you if you don't know whether this lens adapter ring fits for your cameras and your lens. Focus length multiplier: 0.71x.
USB Firmware Upgrade: Equipped with USB interface, can realize software upgrade. Can perfect new functions of the lens mount adapter and fix bugs according to follow-up upgrades.
Support AF Function: Viltrox EF-M2 lens adapter comes with the gold-plating contact, which can help to connect your Canon EF mount series lens to M4/3 Cameras, auto focusing perfectly.
Support Aperture Control: Designed with internal aperture motor, you can adjust the aperture from camera end directly to control the lens’ actual aperture.
Material & Design: Made of aluminum allo; convenient for installation; powerful and stable;Gold-plating contact, excellent transmitting effect.
VILTROX EF-M2 Focal Reducer Booster Adapter Auto-Focus 0.71x for Canon EOS EF Lens to Micro Four Thirds MTF M4 3 Camera GH4 GH5 GF6 GF1 GX1 GX7 E-M5 E-M10 E-PL5,with USB Update Port B07D3SJ91N