Sigma MOUNT CONVERTER MC-11 (SA-E)
firmware v1.03
Sigma · Released Mar 10, 2017 · First seen Jul 5, 2026
v1.03 is not the latest firmware for the Sigma MOUNT CONVERTER MC-11 (SA-E): the current version is v1.28 (August 27, 2026). Go to v1.28
In short — summary by updatemystuff.com
Adds compatibility with three additional lenses for use with this mount converter.
- Compatible with SIGMA 135mm F1.8 DG HSM | Art
- Compatible with SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary
- Compatible with SIGMA 24-105mm F4 DG OS HSM | Art in SIGMA mount
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 135mm F1.8 DG HSM | Art and SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary.
It has become compatible with the SIGMA 24-105mm F4 DG OS HSM | Art in SIGMA mount (firmware version 1.01).
Note: Before updating the MC-11 firmware, please ensure SIGMA Optimization Pro has been updated to ver. 1.4.1 or later for Windows, and ver. 1.4.0 or later for Macintosh from the following download page.
updatemystuff.com never hosts firmware files — always download from the official source.
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See the full firmware history for the MOUNT CONVERTER MC-11 (SA-E)