Viltrox EF‑M2 II is a 0.71× electronic Speed Booster for Canon EF lenses on Micro Four Thirds cameras. It widens the field of view, increases effective brightness and retains AF, aperture, EXIF and compatible-lens stabilization.
Viltrox EF‑M2 II is a 0.71× electronic Speed Booster for Canon EF lenses on Micro Four Thirds cameras. It widens the field of view, increases effective brightness and retains AF, aperture, EXIF and compatible-lens stabilization.

The 0.71× optical reducer restores a wider field of view to Canon EF lenses on an MFT sensor and adds approximately one stop of effective brightness.
Effective focal length is multiplied by 0.71.
AF, aperture control, EXIF and stabilization depend on the camera and lens combination.
The Micro USB port enables adapter compatibility updates.
The integrated optical system concentrates the Canon EF lens image circle onto an MFT sensor.


The integrated 1/4-inch thread helps support heavier lenses and relieve the camera mount.
NDI|HX (vyžaduje volitelnou licenci). V prodeji od 1/2023.
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