Product Review

We will upload the Upgrade Package regularly , please refer to VILTROX Official Website .


Viltrox EF-M2 mount adapter is designed to allow Canon EF-mount series lens to be used on M43 camera. Plus 0.71 based on the original focal length (equivalent focal length=focal length x0.71), which help enlarge 1 level aperture. Build-in 4groups, 4pcs optical glasses, AF(autofocus) and adjustable aperture, etc.

^ To update adapter firmware, latest firmware can be download from official website, connect adapter to computer with USB cable and copy the file into adapter memory. Do not required to attach lens or camera.
# To change AF mode, please turn off camera, take out battery, insert battery and turn camera back on again for camera to recognize new AF mode as a new lens. Slow focus will happen on low end lenses in CDAF mode.

Feature - Integrated USB port for adapter firmware update^ - 4 elements in 4 groups optics increase light input by one F stop and reduce focal length by x0.71
- Dedicated switch to select between Contrast Detection and Phase Detection Auto Focus mode
- Contrast Detection AF allow Flexible Spot to be moved and focus across the frame and support Eye focus on specific camera#
- Phase Detection Auto Focus gives faster focus experience on most lenses.
- High precision aluminum alloy with chromium plating on both mounting surface to ensure smooth installation and durability.


It can realize AF, adjustable aperture from camera body to lens¡¯s aperture
Compatible for all the EF-lens
Compatible cameras: M43 series cameras
Focus mode: Auto focus
Focal Length Multiplier: 0.71x
Optical glasses: 4 groups, 4 glasses
Tripod Socket Cu1/4" 1
Diameter and Length : 67mmx25mm
Weight Approx. 135 g (excluding cap) Front cap Camera cover
Rear cap Lens Dust cap