Thank you for using Sigma products.
We are pleased to announce that the download of firmware for Sigma’s E-mount is now available.
The changes in this firmware are as follows:
【Applicable product and version】
【Benefit of the update】
【How to update】
Please click on ‘WINDOWS’ or ‘MAC OS’ in the firmware download page below for your lens in Sony E-mount, read “BEFORE UPDATING” and follow the update procedure.
https://www.sigma-global.com/en/support/firmware/?category=lenses
For further information, please contact your nearest authorized SIGMA subsidiary / distributor.