Sigma MOUNT CONVERTER MC-11 (SA-E)
firmware v1.23
Sigma · Released Apr 23, 2020 · First seen Jul 5, 2026
v1.23 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
Refined peripheral illumination correction for SIGMA 24-105mm F4 DG OS HSM Art.
- Optimized peripheral illumination for SIGMA 24-105mm F4 DG OS HSM Art on SA mount
Written from Sigma's release notes, which are printed in full below.
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What's in this update
It has optimized the peripheral illumination correction data when used in combination with SIGMA 24-105mm F4 DG OS HSM | Art for SIGMA SA mount. Note: Before updating the SIGMA MOUNT CONVERTER MC-11 firmware, please ensure SIGMA Optimization Pro has been updated to ver. 1.5.0 or later.
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Create account & watchChanged since v1.22
- It has optimized the peripheral illumination correction data when used in combination with SIGMA 24-105mm F4 DG OS HSM | Art for SIGMA SA mount.
Other versions for this product
See the full firmware history for the MOUNT CONVERTER MC-11 (SA-E)