Sigma MOUNT CONVERTER MC-11 (SA-E)
firmware v1.11
Sigma · Released Sep 10, 2018 · First seen Jul 5, 2026
v1.11 is not the latest firmware for the Sigma MOUNT CONVERTER MC-11 (SA-E): the current version is v1.28 (August 27, 2026). Go to v1.28
In short — summary by updatemystuff.com
Adds compatibility with a new lens and improves autofocus in peripheral areas and Eye AF for applicable lenses.
- Support for SIGMA 50-100mm F1.8 DC HSM | Art lens
- Better autofocus performance in peripheral image areas
- Enhanced Eye AF function
Written from Sigma's release notes, which are printed in full below.
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What's in this update
It has become compatible with the SIGMA 50-100mm F1.8 DC HSM | Art (Firmware Ver.1.01).With applicable SGV lenses*, it has improved AF performance in the peripheral areas of the image as well as the “Eye AF” function when it is selected, * Applicable SGV lenses: SIGMA 30mm F1.4 DC HSM | Art、SIGMA 14mm F1.8 DG HSM | Art、SIGMA 20mm F1.4 DG HSM | Art、SIGMA 24mm F1.4 DG HSM | Art、SIGMA 500mm F4 DG OS HSM | Sports、SIGMA 17-70mm F2.8-4 DC MACRO OS HSM | Contemporary、SIGMA 18-200mm F3.5-6.3 DC MACRO OS HSM | Contemporary、SIGMA 18-300mm F3.5-6.3 DC MACRO OS HSM | Contemporary、SIGMA 50-100mm F1.8 DC HSM | Art、SIGMA 12-24mm F4 DG HSM | Art、SIGMA 24-35mm F2 DG HSM | Art、SIGMA 24-105mm F4 DG OS HSM | Art、SIGMA 120-300mm F2.8 DG OS HSM | Sports、SIGMA 150-600mm F5-6.3 DG OS HSM | Contemporary、SIGMA 150-600mm F5-6.3 DG OS HSM | Sports Note: Before updating the firmware using the SIGMA MOUNT CONVERTER MC-11, please ensure to update SIGMA Optimization Pro to Ver.1.4.1 or later for Windows, and Ver.1.4.0 or later for Macintosh.
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