Sigma Firmware Updates For Sigma 30mm F1.4 DC DN, Sigma 24mm F3.5 DG DN, and Sigma 24mm F3.5 DG | Contemporary

• 5 hours ago

Firmware update for Sony E-Mount lenses

Firmware

2026.08.27

Thank you for using Sigma products.

We are pleased to announce that the download of firmware for Sigma’s E-mount is now available.

The changes in this firmware are as follows:

【Applicable product and version】

• Sigma 30mm F1.4 DC DN | Contemporary for Sony E-Mount Ver.07
• Sigma 24mm F3.5 DG DN | Contemporary for Sony E-Mount Ver.04
• Sigma 24mm F3.5 DG | Contemporary for Sony E-Mount Ver.04

【Benefit of the update】

• Fixed an isolated issue where the monitor blacks out and the camera freezes during shooting when used with the Sony α7 V.

【Applicable product and version】

• Sigma 35mm F1.4 DG II |Art for Sony E-Mount Ver.02

【Benefit of the update】

• Reduced focus motor noise.

【How to update】

Please click on ‘WINDOWS’ or ‘MAC OS’ in the firmware download page below for your lens in Sony E-mount, read “BEFORE UPDATING” and follow the update procedure.

https://www.sigma-global.com/en/support/firmware/?category=lenses