News

Firmware update for Canon RF Mount lenses

Support, Firmware
2026.05.21

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 18-50mm F2.8 DC DN | Contemporary Ver.1.0.2 for Canon RF Mount


【Benefit of the update】
  • The operational stability has been improved.

【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.
https://www.sigma-global.com/en/world-network/
We appreciate your continued support for our company and products.