MOUNT CONVERTER MC-11 (EF-E) firmware v1.37
Sigma · Released Dec 17, 2020 · First seen by GearPulse Jul 5, 2026
What's in this update
It makes the converter compatible with the SIGMA 30mm F1.4 DC HSM | Art in Canon EF mount, that has the latest firmware Ver.2.01.It makes the converter compatible with the SIGMA 28mm F1.4 DG HSM | Art in Canon EF mount, that has the latest firmware Ver.1.02.It makes the converter compatible with the SIGMA 70mm F2.8 DG MACRO | Art in Canon EF mount, that has the latest firmware Ver.1.01.It makes the converter compatible with the SIGMA 85mm F1.4 DG HSM | Art in Canon EF mount, that has the latest firmware Ver. 2.03.It makes the converter compatible with the SIGMA 135mm F1.8 DG HSM | Art in Canon EF mount, that has the latest firmware Ver.2.03.It has improved a rarely-occurring blinking phenomenon during movie shooting. ※Please be sure to update SIGMA Optimization Pro to Ver.1.6.0 or later when updating the MC-11 firmware. SIGMA Optimization Pro
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