MOUNT CONVERTER MC-11 (EF-E) firmware v1.28
Sigma · Released Dec 19, 2019 · First seen by GearPulse Jul 5, 2026
What's in this update
It has become compatible with the SIGMA 28mm F1.4 DG HSM | Art for CANON EF mount, that has the latest firmware Ver. 1.01.It has become compatible with the SIGMA 24-70mm F2.8 DG OS HSM | Art for CANON EF mount, that has the latest firmware Ver. 2.04.It has become compatible with the SIGMA 150-600mm F5-6.3 DG OS HSM | Sports for CANON mount, that has the latest firmware Ver. 2.01.It has become compatible with the SIGMA 500mm F4 DG OS HSM | Sports for CANON EF mount, that has the latest firmware Ver. 2.01. 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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