Firmware update for SIGMA 35mm F1.2 DG DN | Art for L-mount

Firmware update for SIGMA 35mm F1.2 DG DN | Art for L-mount

- SIGMA Global

Thank you for purchasing and using our products.

We would like to announce that a new firmware update for SIGMA 35mm F1.2 DG DN | Art for L-mount is now available. 

Applicable product

SIGMA 35mm F1.2 DG DN | Art for L-mount

Benefits of the update

• The lens has become compatible with focus ring adjustment functionality.
• Improved the quality of aperture operation and AF tracking in movie shooting. 
• It has improved AF performance when shooting a distant view.

How to update

※ For those who update the firmware in-camera, please refer to the following page for firmware updates:

※ 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 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-11, please ensure you update SIGMA Optimization Pro to the latest version.

SIGMA Optimization Pro download 

For further information, please contact SIGMA Imaging Nordic by email:

We appreciate your continued support for our company and products.

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