Sigma has updated the firmware for their MC-11 EF-E converter * to version 1.23 and improved the functionality and compatibility with the below mentioned Sigma EF lenses.

The update also improves the image stabilization when used with the Sony a9 and a7III when the in-camera image stabilization is set to ‘AUTO.’


Below is a list of EF mount lenses that have firmware updates; a detailed list of the updated functionality of each lens can be found in the press release.

  • SIGMA 30mm F1.4 DC HSM | Art for CANON EF Mount
  • SIGMA 24-70mm F2.8 DG OS HSM | Art for CANON EF Mount
  • SIGMA 60-600mm F4.5-6.3 DG OS HSM | Sports for CANON EF Mount
  • SIGMA 120-300mm F2.8 DG OS HSM | Sports for CANON EF Mount
  • SIGMA 150-600mm F5-6.3 DG OS HSM | Contemporary for CANON EF Mount
  • SIGMA 85mm F1.4 DG HSM | Art for CANON EF Mount

Sigma has also improved the accuracy of exposure when it is used with dedicated flashes manufactured by SONY, no flash model details were provided.

Further details and download information can be found on Sigma’s website here.

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