MOUNT CONVERTER MC-11 (EF-E) firmware v1.25
Sigma · Released May 23, 2019 · First seen by GearPulse Jul 5, 2026
What's in this update
It has become compatible with the SIGMA 120-300mm F2.8 DG OS HSM | Sports for CANON EF mount, that has the latest firmware Ver.2.01.It has improved the AF speed when it is used in combination with the SONY α9 or SONY α7 III and the SIGMA 135mm F1.8 DG HSM | Art for CANON EF mount.
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