Sigma Releases 500mm f/4 DG OS HSM Sports Lens Firmware Update

From Sigma:

Firmware update for SIGMA 500mm F4 DG OS HSM | Sports in Canon EF mount

We would like to announce that a new firmware update is now available for SIGMA 500mm F4 DG OS HSM | Sports in Canon EF mount.

[Applicable product]

SIGMA 500mm F4 DG OS HSM | Sports in Canon EF mount

[Benefits of the update]

It has improved the AF speed when used in combination with Canon mount adapter EF-EOS R series attached on Canon EOS R5 and EOS R6.

[How to update]

Connect the lens to a computer via the SIGMA USB DOCK UD-01 (sold separately), then open SIGMA Optimization Pro*. If the lens firmware isn't the latest version, the following message will appear: "The latest lens firmware is available". Click "Yes" to update.

* Before updating lens firmware using the SIGMA USB DOCK UD-01, please ensure you update SIGMA Optimization Pro to the latest version.

SIGMA Optimization Pro Download page: https://www.sigma-global.com/en/software/sigma-optimization-pro/