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

By Louis Ferreira | Published: August 30, 2026

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】

【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

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