Thank you for using SIGMA products.
We are pleased to announce that the download of firmware for the Sigma 28-105mm F2.8 DG DN | Art lens for Sony 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.
https://www.sigma-global.com/en/support/firmware/?category=lenses
