Thank you for purchasing and using our products.

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

For customers who own the SIGMA USB DOCK and applicable products listed below, please update the firmware via SIGMA Optimization Pro※.
※ Before updating the firmware using the SIGMA USB DOCK, please ensure you update SIGMA Optimization Pro to Windows Ver. 1.5.0 / Macintosh Ver 1.5.1 or later.

[Applicable product]
・SIGMA 500mm F4 DG OS HSM | Sports for Canon EF mount

[Benefits of the update]
・It has optimized the exposure when shooting with the viewfinder in combination with the EOS 90D and EOS-1D X Mark III.

【SIGMA Optimization Pro download page】

https://www.sigma-global.com/en/download/lenses/sigma-optimization-pro/

For further assistance please contact Sigma Imaging (UK) Ltd Service Department by email: service@sigmauk.com or telephone: 01707 329 999

We appreciate your continued support for our company and products.