MOUNT CONVERTER MC-11 (EF-E) firmware v1.17
Sigma · Released Oct 2, 2018 · First seen by GearPulse Jul 5, 2026
What's in this update
It has become compatible with the SIGMA 60-600mm F4.5-6.3 DG OS HSM | Sports.It has become compatible with the SIGMA 24-70mm F2.8 DG OS HSM | Art (For SIGMA: Ver.1.03, For Canon: Ver.2.02).Note: Before updating the firmware using the SIGMA MOUNT CONVERTER MC-11, please ensure to update SIGMA Optimization Pro to Ver.1.4.1 or later for Windows, and Ver.1.4.0 or later for Macintosh.
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