Thank you for purchasing and using our products.

We would like to announce that a new firmware update is now available for the SIGMA Global Vision lenses in Canon EF mount listed below.

For customers who own the SIGMA USB DOCK UD-01 and applicable products listed below, please update the firmware via SIGMA Optimization Pro※.

※ Before updating the firmware using the SIGMA USB DOCK UD-01, please ensure you update SIGMA Optimization Pro to Ver.1.6.0 or later.

[Applicable product]
・SIGMA 14mm F1.8 DG HSM | Art in Canon EF mount
・SIGMA 50mm F1.4 DG HSM | Art in Canon EF mount

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

[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 Ver.1.6.0 or later.

【SIGMA Optimization Pro Download page】
https://www.sigma-global.com/en/download/lenses/sigma-optimization-pro/