The Sigma MC-11 Mount Converter (Sigma SA to Sony E) allows Sigma SA mount lenses to be used on Sony E-mount mirrorless cameras with full autofocus support including phase-detection AF. It retains full lens-camera communication for OSS, EXIF data, and lens firmware updates via the USB Dock. The MC-11 is compatible with select Sigma Global Vision lenses.
Product released: March 3, 2016
Latest firmware version
Version 1.28, released August 27, 2026
Last checked for updates: Nov 1, 2026 05:40 UTC
What's new in version 1.28
Fixed an issue where a release time lag occurs under specific settings during flash photography.
LatestUpdate has tracked 28 versions of Sigma Mount Converter MC-11 (SA to Sony E) firmware, released between May 13, 2016 and August 27, 2026.
Version 1.28 - August 27, 2026: Fixed an issue where a release time lag occurs under specific settings during flash photography.
Version 1.27 - August 25, 2022: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.26 - April 7, 2022: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.25 - March 25, 2021: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.24 - December 17, 2020: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.23 - April 23, 2020: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.22 - February 20, 2020: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.21 - January 23, 2020: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.20 - December 19, 2019: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.19 - November 22, 2019: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.18 - May 23, 2019: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.17 - April 18, 2019: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.16 - March 14, 2019: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.15 - January 24, 2019: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.14 - November 29, 2018: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.13 - October 30, 2018: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.12 - October 2, 2018: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.11 - September 10, 2018: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.10 - June 12, 2018: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.09 - March 7, 2018: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.08 - September 8, 2017: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.07 - August 18, 2017: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.06 - July 20, 2017: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.05 - July 5, 2017: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.04 - May 17, 2017: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.03 - March 10, 2017: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.02 - October 27, 2016: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Version 1.01 - May 13, 2016: Fixed a problem in which the MF assist function would not work in rare cases when a lens with the MF switching function (Manual Override) enabled, or a lens wi…
Update prediction
A firmware update is expected soon, between September 20, 2026 and March 5, 2027.
Sigma typically releases firmware updates for this product approximately every 698 days.
What is Sigma Mount Converter MC-11 (SA to Sony E)?
The Sigma MC-11 Mount Converter (Sigma SA to Sony E) allows Sigma SA mount lenses to be used on Sony E-mount mirrorless cameras with full autofocus support including phase-detection AF. It retains full lens-camera communication for OSS, EXIF data, and lens firmware updates via the USB Dock. The MC-11 is compatible with select Sigma Global Vision lenses. It was originally released on March 3, 2016.
What is the latest firmware version of Sigma Mount Converter MC-11 (SA to Sony E)?
The latest firmware version of Sigma Mount Converter MC-11 (SA to Sony E) is 1.28. It was released on August 27, 2026.
What changed in Sigma Mount Converter MC-11 (SA to Sony E) firmware version 1.28?
Sigma Mount Converter MC-11 (SA to Sony E) firmware version 1.28 includes the following changes: Fixed an issue where a release time lag occurs under specific settings during flash photography.
Where can I download the latest Sigma Mount Converter MC-11 (SA to Sony E) firmware?
Details and download instructions for the latest Sigma Mount Converter MC-11 (SA to Sony E) firmware (version 1.28) are on Sigma's official release page: https://www.sigma-global.com/en/support/firmware/mc-11/?mount=sa-e
How often does Sigma release firmware updates for Sigma Mount Converter MC-11 (SA to Sony E)?
We have tracked 28 firmware versions of Sigma Mount Converter MC-11 (SA to Sony E). Based on historical patterns, updates are released approximately every 698 days.
When is the next Sigma Mount Converter MC-11 (SA to Sony E) firmware update expected?
Based on this product's update history, a firmware update for Sigma Mount Converter MC-11 (SA to Sony E) is expected soon, between September 20, 2026 and March 5, 2027.
Is Sigma Mount Converter MC-11 (SA to Sony E) still receiving firmware updates?
Yes, Sigma Mount Converter MC-11 (SA to Sony E) received a firmware update within the last 3 months. The most recent version is 1.28.