MOUNT CONVERTER MC-11 (SA-E) firmware v1.06
Sigma · Released Jul 20, 2017 · First seen by GearPulse Jul 5, 2026
What's in this update
It corrects the phenomenon that AF does not operate properly when some lenses that are not compatible with the MC-11 are attached. Note: Before updating the MC-11 firmware, please ensure SIGMA Optimization Pro has been updated to ver. 1.4.1 or later for Windows, and ver. 1.4.0 or later for Macintosh.
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