2024.06.20

Support

Firmware

Firmware update for SIGMA 18-50mm F2.8 DC DN | Contemporary in L-Mount

Thank you for using SIGMA products.
We would like to announce that a firmware update for the SIGMA 18-50mm F2.8 DC DN | Contemporary in L-Mount is now available for download.

【Applicable product】

SIGMA 18-50mm F2.8 DC DN | Contemporary Ver.1.2 in L-Mount

【Benefit of the update】

・The operational stability has been improved.

【How to update】

Please click the "L-Mount" tab in the firmware download page below and read "Before updating" prior to updating the firmware.
https://www.sigma-global.com/en/support/firmware/c021_18_50_28/?mount=l-mount

■For those who own the SIGMA USB DOCK UD-11 for L-Mount
Connect the lens to your computer through the SIGMA USB DOCK UD-11 (sold separately), and launch SIGMA Optimization Pro*. If there is newer firmware available for the connected lens than the one installed, a dialog will display the message "The latest lens firmware is available." Click "Yes" to perform the 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/jp/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 our company and products.

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