MOUNT CONVERTER MC-11 (EF-E) firmware v1.36
Sigma · Released Nov 19, 2020 · First seen by GearPulse Jul 5, 2026
What's in this update
It makes the converter compatible with the SIGMA 12-24mm F4 DG HSM | Art in Canon EF mount, that has the latest firmware Ver.2.01It makes the converter compatible with the SIGMA 24-35mm F2 DG HSM | Art in Canon EF mount, that has the latest firmware Ver.2.01It makes the converter compatible with the SIGMA 50-100mm F1.8 DC HSM | Art in Canon EF mount, that has the latest firmware Ver.2.03It makes the converter compatible with the SIGMA 60-600mm F4.5-6.3 DG OS HSM | Sports in Canon EF mount, that has the latest firmware Ver.1.03It makes the converter compatible with the SIGMA 24mm F1.4 DG HSM | Art in Canon EF mount, that has the latest firmware Ver.2.02It makes the converter compatible with the SIGMA 35mm F1.4 DG HSM | Art in Canon EF mount, that has the latest firmware Ver.2.02 ※Please be sure to update SIGMA Optimization Pro to Ver.1.6.0 or later when updating the MC-11 firmware. SIGMA Optimization Pro
GearPulse never hosts firmware files — always download from the official source.
Get it from Sigma →