4. Fixed the problem that the aperture dial does not work;
5. Fixed the problem of incorrect minimum aperture;
6. Achieved higher focusing speed.
1. Connect the Lens with a USB cable to your computer；
2. Find the “Viltrox PFU” disk on your computer；
3. Open the DeviceInformation.txt to check the current version；
4. Drag the firmware update file to the“Viltrox PFU” disk;
5. Wait till the progress bar reaches the end to complete the replication;
6.With replication completed, the “Viltrox PFU” disk will withdraw itself and update progress starts which lasts about 5s. Then “Viltrox PFU” disk will appear again and please repeat Step 2 to check the updated version.