Firmware update for Sony E-Mount lenses

Support, Firmware
2025.11.20

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】

・Sigma 28-105mm F2.8 DG DN | Art Ver.02 for Sony E-Mount

 

【Benefit of the update】

・Improved focus tracking performance during zooming while shooting video.

 

【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.
SIGMA-GLOBAL FIRMWARE 28-105MM DG DN ART SONY E-MOUNT

 

For further support or information, please contact SIGMA Nordic customer service here: customersupport@sigma-imaging.se