From Sigma:
We would like to announce that a firmware update for the SIGMA 24-70mm F2.8 DG OS HSM | Art for SIGMA and CANON, as well as a firmware update for the SIGMA MOUNT CONVERTER MC-11 SA-E and EF-E is now available.
This firmware update corrects the phenomenon that the OS mechanism does not operate properly when attached to the SIGMA MOUNT CONVERTER MC-11 SA-E / EF-E.
For customers who own the SIGMA USB DOCK, please update the firmware via SIGMA Optimization Pro. For those who own the SIGMA MOUNT CONVERTER MC-11 SA-E / EF-E, please update the firmware via SIGMA Optimization Pro by connecting it to a computer using the supplied USB Cable.
Before updating the MC-11 firmware, please ensure SIGMA Optimization Pro has been updated to ver. 1.4.1 or later for Windows, and ver. 1.4.0 or later for Macintosh from the following download page.
Applicable Product
- SIGMA 24-70mm F2.8 DG OS HSM | Art for SIGMA / CANON
Benefit of this firmware update
- It has corrected the phenomenon that the OS mechanism does not operate properly when attached to the SIGMA MOUNT CONVERTER MC-11 SA-E / EF-E.
Applicable Product
- SIGMA MOUNT CONVERTER MC-11 SA-E / EF-E
Benefit of this firmware update
- It has become compatible with the SIGMA 24-70mm F2.8 DG OS HSM | Art for SIGMA / CANON (ver. 1.01).
Get the latest firmware from Sigma