EF-M1 / EF-M2 verson4.0
Update date: 2022-5-6

In this version we have made the following updates:
1. Provides support for Canon EF lenses that support stepless aperture control (eg: EF 50mmf/1.8 STM);

Please remove the adapter ring from the camera when upgrading!
When the upgrade file is copied to the EF-MFT (EF-MFT .71) disk, it is forbidden to unplug the USB.
 After the EF-MFT (EF-MFT .71) disk restarts automatically, the upgrade file disappears and the upgrade is successful.

Viltrox lenses/adapters. BUG feedback channel:

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Email: info@viltrox.com