MOUNT CONVERTER MC-21 (EF-L) firmware v1.4
Sigma · Released Dec 22, 2022 · First seen by GearPulse Jul 5, 2026
What's in this update
・MF assist is now supported when a SIGMA CINE LENS for Canon EF mount is attached.・It makes the converter compatible with the SIGMA CINE LENS FF High Speed Prime Line 65mm T1.5 FF for Canon EF mount.*When using the SIGMA FF High Speed Prime Line 65mm T1.5 FF for Canon EF mount, be sure to update the firmware of the SIGMA MOUNT CONVERTER MC-21 EF-L to Ver. 1.4.
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