Firmware update for L-Mount lenses

Thank you for using SIGMA products.
We are pleased to announce that the download of firmware for SIGMA's L-Mount is now available.

The changes in this firmware are as follows:

【Applicable product and version】

SIGMA 35mm F1.4 DG DN | Art Ver1.2 for L-Mount
SIGMA 45mm F2.8 DG DN | Contemporary Ver1.5 for L-Mount
SIGMA 50mm F1.2 DG DN | Art Ver1.1 for L-Mount
SIGMA 65mm F2 DG DN | Contemporary Ver1.3 for L-Mount
SIGMA 85mm F1.4 DG DN | Art Ver1.2 for L-Mount
SIGMA 90mm F2.8 DG DN | Contemporary Ver1.1 for L-Mount
SIGMA 105mm F2.8 DG DN | Art Ver1.3 for L-Mount
SIGMA 500mm F5.6 DG DN OS | Sports Ver1.1 for L-Mount

【Benefit of the update】

・The exposure stability has been improved.

【How to update】

■For those who update the firmware in-camera
Please select the applicable product from the following page, go to the download page, click "L-Mount", read "Before updating" prior to updating the firmware and follow the update procedure
https://www.sigma-global.com/en/support/firmware/lenses/?mount=l-mount

■For those who own the SIGMA USB DOCK UD-11
Connect the lens to your computer via the SIGMA USB DOCK UD-11 (sold separately), then open SIGMA Optimization Pro*. If the 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 via the SIGMA USB DOCK UD-11 for L-mount, please ensure that you have updated to the latest version of SIGMA Optimization Pro.}

【SIGMA Optimization Pro Download page】

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

For those who do not own the SIGMA USB DOCK UD-11 and are unable to update using the camera, please contact our customer support for a free update.

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 our company and products.