Firmware update for L-Mount lenses

News, Lenses, Firmware Updates
2025.03.13

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 15mm F1.4 DG DN DIAGONAL FISHEYE | Art Ver1.1 for L-Mount
・Sigma 14mm F1.4 DG DN | Art Ver1.1 for L-Mount
・Sigma 20mm F2 DG DN | Contemporary Ver1.1 for L-Mount
・Sigma 24mm F2 DG DN | Contemporary Ver1.2 for L-Mount
・Sigma 24mm F3.5 DG DN | Contemporary Ver1.3 for L-Mount

 

[BENEFIT OF THE UPDATE]

 

・The exposure stability has been improved.

 

 

[APPLICABLE PRODUCT AND VERSION]

・Sigma 35mm F2 DG DN | Contemporary Ver1.4 for L-Mount
・Sigma 45mm F2.8 DG DN | Contemporary Ver1.6 for L-Mount
・Sigma 50mm F2 DG DN | Contemporary Ver1.2 for L-Mount

 

[BENEFIT OF THE UPDATE]

 

・The operational stability has been improved.

 

[HOW TO UPDATE]

 

â– 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. 
DOWNLOAD

 

â– 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]

LINK

 

For further information, please contact:

customerservice@sigma-imaging.se

We appreciate your continued support for our company and products.