MOUNT CONVERTER MC-11 (EF-E) firmware v1.19
Sigma · Released Oct 30, 2018 · First seen by GearPulse Jul 5, 2026
What's in this update
It has become compatible with the SIGMA 40mm F1.4 DG HSM | Art for Canon.It has become compatible with the SIGMA 17-70mm F2.8-4 DC MACRO OS HSM | Contemporary for Canon and the SIGMA 18-200mm F3.5-6.3 DC MACRO OS HSM | Contemporary for Canon, that have the latest firmware Ver.2.00. Note: Before updating the SIGMA MOUNT CONVERTER 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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