Firmware update for SIGMA Global Vision lenses in L-Mount

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 L-Mount listed below.

[Applicable products]
SIGMA 14mm F1.8 DG HSM | Art in L-Mount
SIGMA 28mm F1.4 DG HSM | Art in L-Mount

[Benefit of the update]
・It has improved aperture operation when shooting movies with the Panasonic LUMIX S1H.

[Applicable product]
SIGMA 40mm F1.4 DG HSM | Art in L-Mount

[Benefits of the update]
・It has improved the AF accuracy when it is used with the SIGMA fp L.
・It has improved aperture operation when shooting movies with the Panasonic LUMIX S1H.

[Applicable product]
SIGMA 135mm F1.8 DG HSM | Art in L-Mount

[Benefits of the update]
・It has optimized the value of the minimum focusing distance displayed on the camera.
・It has improved aperture operation when shooting movies with the Panasonic LUMIX S1H.

[How to update]
For those who update the firmware in-camera, please refer to the following page for firmware updates.
https://www.sigma-global.com/en/support/purpose/firmware/?mode=search&product_category=lens

For customers who own the SIGMA USB DOCK UD-11
Connect the lens to a computer via the SIGMA USB DOCK UD-11 (sold separately), then open SIGMA Optimization Pro*. If the lens firmware is not 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-11, 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/

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 SIGMA products.