The Sigma MC-11 Mount Converter (Canon EF to Sony E) allows Canon EF mount Sigma lenses to be used on Sony E-mount mirrorless cameras with full autofocus support including phase-detection AF and eye-detection. It retains communication between lens and camera for OSS control, EXIF data, and firmware updates. The MC-11 is compatible with select Sigma Global Vision lenses.
Product released: March 3, 2016
Latest firmware version
Version 1.42, released December 22, 2022
Last checked for updates: Aug 2, 2026 17:11 UTC
What's new in version 1.42
It makes the converter compatible with the SIGMA CINE LENS FF High Speed Prime Line 65mm T1.5 FF for Canon EF mount.
LatestUpdate has tracked 42 versions of Sigma Mount Converter MC-11 (EF to Sony E) firmware, released between May 13, 2016 and December 22, 2022.
Version 1.42 - December 22, 2022: It makes the converter compatible with the SIGMA CINE LENS FF High Speed Prime Line 65mm T1.5 FF for Canon EF mount.
Version 1.41 - 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 1.40 - 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 1.39 - October 21, 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 1.38 - July 8, 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 1.37 - 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 1.36 - November 19, 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 1.35 - October 22, 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 1.34 - September 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 1.33 - August 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 1.32 - July 21, 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 1.31 - June 25, 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 1.30 - 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 1.29 - 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 1.28 - 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 1.27 - 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 1.26 - June 20, 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 1.25 - 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 1.24 - 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 1.23 - 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 1.22 - February 21, 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 1.21 - 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 1.20 - 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 1.19 - 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 1.18 - October 16, 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 1.17 - 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 1.16 - 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 1.15 - July 13, 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 1.14 - 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 1.13 - May 23, 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 - 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 1.11 - 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 1.10 - 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 1.09 - August 4, 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 1.08 - 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 1.07 - 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 1.06 - June 6, 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 - 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 1.04 - March 21, 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 - December 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…
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
This product has not received a firmware update in a long time and may be discontinued.
Sigma typically releases firmware updates for this product approximately every 127 days.
What is Sigma Mount Converter MC-11 (EF to Sony E)?
The Sigma MC-11 Mount Converter (Canon EF to Sony E) allows Canon EF mount Sigma lenses to be used on Sony E-mount mirrorless cameras with full autofocus support including phase-detection AF and eye-detection. It retains communication between lens and camera for OSS control, EXIF data, and firmware updates. 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 (EF to Sony E)?
The latest firmware version of Sigma Mount Converter MC-11 (EF to Sony E) is 1.42. It was released on December 22, 2022.
What changed in Sigma Mount Converter MC-11 (EF to Sony E) firmware version 1.42?
Sigma Mount Converter MC-11 (EF to Sony E) firmware version 1.42 includes the following changes: It makes the converter compatible with the SIGMA CINE LENS FF High Speed Prime Line 65mm T1.5 FF for Canon EF mount.
How do I update the Sigma Mount Converter MC-11 (EF to Sony E) firmware?
To update the Sigma Mount Converter MC-11 (EF to Sony E) firmware, download the latest version (1.42) from Sigma's website. Follow Sigma's installation instructions, which typically involve copying the firmware file to a memory card or connecting via USB. You can download the latest firmware from Sigma's support page.
Where can I download the latest Sigma Mount Converter MC-11 (EF to Sony E) firmware?
Details and download instructions for the latest Sigma Mount Converter MC-11 (EF to Sony E) firmware (version 1.42) are on Sigma's official release page: https://www.sigma-global.com/en/support/firmware/mc-11/?mount=ef-e
How do I check for Sigma Mount Converter MC-11 (EF to Sony E) firmware updates?
You can track Sigma Mount Converter MC-11 (EF to Sony E) firmware updates automatically on LatestUpdate.io. We monitor Sigma's releases and notify you when new firmware versions are available, so you never miss an update.
How often does Sigma release firmware updates for Sigma Mount Converter MC-11 (EF to Sony E)?
We have tracked 42 firmware versions of Sigma Mount Converter MC-11 (EF to Sony E). Based on historical patterns, updates are released approximately every 127 days. Sigma releases updates to fix bugs, improve performance, and add new features. Track this product on LatestUpdate.io to be notified of future releases.
Has Sigma Mount Converter MC-11 (EF to Sony E) been discontinued?
Sigma Mount Converter MC-11 (EF to Sony E) has not received a firmware update in a long time and may be discontinued. However, some products resume updates after extended periods. Track this product on LatestUpdate.io to be notified if a new update is released.
Who makes Sigma Mount Converter MC-11 (EF to Sony E)?
Sigma Mount Converter MC-11 (EF to Sony E) is manufactured by Sigma. Visit the official product page for more information.