Sigma MOUNT CONVERTER MC-11 (EF-E) firmware v1.17

Sigma · Released Oct 2, 2018 · First seen Jul 5, 2026

v1.17 is not the latest firmware for the Sigma MOUNT CONVERTER MC-11 (EF-E): the current version is v1.43 (August 27, 2026). Go to v1.43

In short — summary by updatemystuff.com

Adds compatibility with SIGMA 60-600mm F4.5-6.3 and 24-70mm F2.8 lenses.

  • Compatible with SIGMA 60-600mm F4.5-6.3 DG OS HSM Sports
  • Compatible with SIGMA 24-70mm F2.8 DG OS HSM Art
  • Update SIGMA Optimization Pro to 1.4.1+ (Windows) or 1.4.0+ (Mac) before updating

Written from Sigma's release notes, which are printed in full below.

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What's in this update

It has become compatible with the SIGMA 60-600mm F4.5-6.3 DG OS HSM | Sports.​It has become compatible with the SIGMA 24-70mm F2.8 DG OS HSM | Art (For SIGMA: Ver.1.03, For Canon: Ver.2.02).Note: Before updating the firmware using the SIGMA MOUNT CON​VERTER MC-11, please ensure to update SIGMA Optimization Pro to Ver.1.4.1 or later for Windows, and Ver.1.4.0 or later for Macintosh.

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Other versions for this product

See the full firmware history for the MOUNT CONVERTER MC-11 (EF-E)