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Sigma Updates Firmware on the 100-400mm f/5-6.3 OS Contemporary

By Canon Rumors | August 4, 2017

Sigma Updates Firmware  on the 100-400mm f/5-6.3 OS Contemporary

Sigma has updated the firmware on the SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary for Canon.

From Sigma:
We would like to announce that a firmware update for the SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary for CANON and SIGMA MOUNT CONVERTER MC-11 EF-E is now available.

This firmware update corrects the phenomenon that the OS mechanism does not operate properly when attached to the SIGMA MOUNT CONVERTER MC-11 EF-E.

For customers who own the SIGMA USB DOCK, please update the firmware via SIGMA Optimization Pro. For those who own the SIGMA MOUNT CONVERTER MC-11 EF-E, please update the firmware via SIGMA Optimization Pro* by connecting it to a computer using a supplied USB Cable.

* 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.

Applicable product

  • SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary for CANON

Benefit of this firmware update

  • It has corrected the phenomenon that the OS mechanism does not operate properly when attached to the SIGMA MOUNT CONVERTER MC-11 EF-E.

Applicable product

  • SIGMA MOUNT CONVERTER MC-11 EF-E

Benefit of this firmware update

  • It has become compatible with the SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary for CANON (ver. 1.02).
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