Notice Regarding Resumption of
Sigma BF Firmware Update Release

Thank you for using Sigma products.

We are pleased to announce the release of firmware Ver.1.03 for the Sigma BF, which corrects an issue present in firmware version 1.02, the release of which was suspended on November 5, 2025.
This update includes all changes made in Ver.1.02.

【How to update】
Please click on the applicable camera on the camera firmware download page below, read "Before updating" and follow the update procedure.
https://www.sigma-global.com/en/support/firmware/?category=cameras

For further information, please contact your nearest authorized SIGMA subsidiary / distributor.
https://www.sigma-global.com/en/world-network/

We appreciate your continued support for our company and products.