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Made by Sigma
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
Version 1.42, released December 22, 2022
Verified by LatestUpdate: June 18, 2026
It makes the converter compatible with the SIGMA CINE LENS FF High Speed Prime Line 65mm T1.5 FF for Canon EF mount.
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.
Official Sigma Mount Converter MC-11 (EF to Sony E) product page
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.
The latest firmware version for the Sigma Mount Converter MC-11 (EF to Sony E) is 1.42. It was released on December 22, 2022.
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.
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.
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
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.
We have tracked 42 firmware versions for the 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.
The 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.
The Sigma Mount Converter MC-11 (EF to Sony E) is manufactured by Sigma. Visit the official product page for more information.