MOUNT CONVERTER MC-11 (SA-E) firmware v1.23
Sigma · Released Apr 23, 2020 · First seen by GearPulse Jul 5, 2026
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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