Skip to content
Firmware update for Canon RF Mount lenses

Firmware update for Canon RF Mount lenses

Thank you for using Sigma products.
We are pleased to announce that the download of firmware for Sigma's Canon RF Mount is now available.

The changes in this firmware are as follows:

 

【Applicable product and version】

  • Sigma 17-40mm F1.8 DC | Art Ver.1.0.2 for Canon RF Mount


【Benefit of the update】

  • Fixed an issue where the monitor would rarely black out and freeze during shooting when combined with the Canon EOS R6 Mark III.

 

【How to update】
Please select the applicable product from the following page, go to the download page, click "Canon RF mount", read "Before updating" prior to updating the firmware and follow the update procedure
https://www.sigma-global.com/en/support/firmware/?category=lenses&mount=canon_rf

For further information, please contact your nearest authorized SIGMA subsidiary / distributor.

We appreciate your continued support for our company and products.

Previous article Firmware update for Sony E-Mount lenses
Next article Sigma announces development of the "Sigma 85mm F1.2 DG | Art" — To exhibit at CP+ 2026