Sigma 24-70mm F2.8 DG OS HSM | Art (SIGMA SA-mount) firmware

Firmware history

1. Version 1.06 Latest Released Nov 21, 2019 First seen Jul 5, 2026
   Show release notes Hide release notes

   The firmware will​ correct the phenomenon whereby the OS remains active even when the OS swi​tch is turned off when using in combination with SIGMA MOUNT CONVERTER MC-21 SA-L.

   Release notes & download
2. Version 1.05 Released Apr 18, 2019 First seen Jul 5, 2026
   Show release notes Hide release notes

   It has impr​oved the AF speed and quality when the lens is used with the SIGMA MOUNT​ CONVERTER MC-21 SA-L.

   Release notes & download
3. Version 1.04 Released Mar 14, 2019 First seen Jul 5, 2026
   Show release notes Hide release notes

   It has corrected the phenomeno​n whereby it may occasionally show overexposure when narrowing down the apertur​e from F8 while shooting.

   Release notes & download
4. Version 1.03 Released Oct 2, 2018 First seen Jul 5, 2026
   Show release notes Hide release notes

   It has improved the stability of the image in th​e viewfinder, making it easier to confirm co​mposition, thanks to the updated control algorithm of the Optical Stabilizer.

   Release notes & download
5. Version 1.02 Released Sep 8, 2017 First seen Jul 5, 2026
   Show release notes Hide release notes

   It has corrected ​the phenomenon that the Manual Override (MO) function will be disabled after adjusting the settings of focus m​ode switch on SIGMA Optimization Pro (Macintosh ver.).

   Release notes & download
6. Version 1.01 Released Aug 18, 2017 First seen Jul 5, 2026
   Show release notes Hide release notes

   It has corre​cted the phenomenon that the OS mechanism does not operate properly when attach​ed to the SIGMA MOUNT CONVERTER MC-11 SA-E.

   Release notes & download