Sigma MOUNT CONVERTER MC-11 (SA-E)
firmware v1.04
Sigma · Released May 17, 2017 · First seen Jul 5, 2026
v1.04 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 new SIGMA Contemporary lenses.
- 17-70mm F2.8-4 DC MACRO OS HSM support
- 18-200mm F3.5-6.3 DC MACRO OS HSM support
- 18-300mm F3.5-6.3 DC MACRO OS HSM support
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 17-70mm F2.8-4 DC MACRO OS HSM | Contemporary in SIGMA mount (firmware version 1.02).It has become compatible with the SIGMA 18-200mm F3.5-6.3 DC MACRO OS HSM | Contemporary in SIGMA mount (firmware version 1.01).It has become compatible with the SIGMA 18-300mm F3.5-6.3 DC MACRO OS HSM | Contemporary 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.
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