MOUNT CONVERTER MC-11 (EF-E) firmware v1.07
Sigma · Released Jul 5, 2017 · First seen by GearPulse Jul 5, 2026
What's in this update
It has become compatible with the SIGMA 14mm F1.8 DG HSM | Art and SIGMA 24-70mm F2.8 DG OS HSM | Art.It has become compatible with the FF High Speed Prime Line SIGMA 14mm T2 FF (EF) and the SIGMA 135mm T2 FF (EF). 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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