Thank you for using SIGMA products.

We would like to announce that a firmware update for the 18-50mm F2.8 DC DN | Contemporary is now available for download.

【Applicable product・Firmware Version】
・SIGMA 18-50mm F2.8 DC DN | Contemporary for L-Mount　Ver.1.1
・SIGMA 18-50mm F2.8 DC DN | Contemporary for Sony E-mount　Ver.03
・SIGMA 18-50mm F2.8 DC DN | Contemporary for FUJIFILM X Mount 　Ver.1.20

【Benefit of the update】
・Improved operational stability.

【How to update】
Please click the “L-Mount”/ “Sony E-mount”/ “FUJIFILM X mount” tab in the firmware download page below and read “Before updating” prior to updating the firmware.
https://www.sigma-global.com/en/lenses/c021_18_50_28/?tab=support&local=firmware

*For Sony E-mount users, after the update is complete, please be sure to remove the camera’s battery pack and then reinsert it.

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/en/software/sigma-optimization-pro/

【Contact】
For further information, please contact your local authorized SIGMA Service Station listed at the link below:
https://www.sigma-global.com/en/about/world-network/

We appreciate your continued support for our company and products.