Sigma MOUNT CONVERTER MC-11 (EF-E)
firmware v1.30
Sigma · Released Apr 23, 2020 · First seen Jul 5, 2026
v1.30 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
Extended compatibility with four lenses and optimized illumination correction.
- Optimized peripheral illumination correction for 24-105mm lens
- Added compatibility with 18-300mm, 24-70mm, 40mm f/1.4, and 105mm f/1.4 lenses
Written from Sigma's release notes, which are printed in full below.
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What's in this update
It has optimized the peripheral illumination correction data when used in combination with SIGMA 24-105mm F4 DG OS HSM | Art for CANON EF mount.
It has become compatible with the SIGMA 18-300mm F3.5-6.3 DC MACRO OS HSM | Contemporary for CANON EF mount, that has the latest firmware Ver.2.02.It has become compatible with the SIGMA 24-70mm F2.8 DG OS HSM | Art for CANON EF mount, that has the latest firmware Ver.2.05.It has become compatible with the SIGMA 40mm F1.4 DG HSM | Art for CANON EF mount, that has the latest firmware Ver.1.01.It has become compatible with the SIGMA 105mm F1.4 DG HSM | Art for CANON EF mount, that has the latest firmware Ver.1.01.
Note: Before updating the SIGMA MOUNT CONVERTER MC-11 firmware, please ensure SIGMA Optimization Pro has been updated to ver. 1.5.0 or later.
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