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AF 50MM 1.4 APS-C
AF 50MM 1.4 APS-C

Firmware Update Guidelines

1. Connect the Lens with a USB-C cable to your computer.
2. Find the“BS-Optics” disk on your computer.
3. Find the firmware and click download.
4. Drag the firmware update file to the“BS-Optics” disk.
5. Wait till the progress bar reaches the end to complete the replication.
6.With replication completed, the “BS-Optics” disk will withdraw itself and update progress starts which lasts about 5 sec. Then “BS-Optics” disk will appear again and please repeat Step 2 to check the updated version.