Firmware version 2.2.0

Download Link  (Windows)
Download Link (MAC)

  1. Optimize the performance with Canon 16-35mm and 24-70mm lenses.

Update Instructions

  1. Prepare a mini-USB cable and connect the adapter to a computer with Windows 8 / 10 operating system
  2. Unzip and open the application.
  3. Left-click the EF-GF01 Adapter firmware
  4. Click the ‘Update’ button
  5. Wait until the power bar goes to complete (It usually takes less than 10 seconds)
  6. Update is finished

Should you have any technical difficulties, please contact us at .