Firmware update v1.10 is now available for the Sigma MC-11 Mount Converter which adds compatibility for the Sigma 24-70mm F2.8 DG OS HSM Art lens. I’m told this is a very good update that also addresses issues with previous updates – however the firmware update cannot be rolled back.
This firmware update corrects the phenomenon that the OS mechanism does not operate properly when attached to the SIGMA MOUNT CONVERTER MC-11 EF-E / SA-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 EF-E / SA-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 MC-11 Mount Converter MC-11 EF-E / SA-E
Benefits of this Firmware Update
Adds compatibility for the Sigma 24-70mm F2.8 DG OS HSM Art lens for CANON / SIGMA / (ver. 1.01).
SIGMA Optimization Pro Download page
https://www.sigma-global.com/en/download/lenses/sigma-optimization-pro/
For further information, please contact your nearest authorized SIGMA subsidiary / distributor.
http://www.sigma-global.com/en/about/world-network/
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