Sigma 17mm F4 DG | Contemporary (L-Mount)

Sigma 17mm F4 DG | Contemporary (L-Mount) firmware

Sigma · 17mm F4 DG | Contemporary (L-Mount) · Lens

Latest firmware for the Sigma 17mm F4 DG / Contemporary (L-Mount) is v1.2 (May 21, 2026).

Changelog

17mm F4 DG | Contemporary (L-Mount) firmware changelog

  1. v1.2 first tracked Focus ring customization options added for autofocus and manual focus, plus T-stop display option for video recording.

Firmware history

  1. Version 1.2 Latest Released May 21, 2026 First seen Jul 5, 2026

    Focus ring customization options added for autofocus and manual focus, plus T-stop display option for video recording. — summary by updatemystuff.com

    Show release notes
    • Specific functions can no​w be assigned to the focus ring during AF.
    • The rotation direction of the focus ring during MF can now be set.
    • Aperture values can now be displa​yed as T-stops during movie recording.
    • Only on supported cameras.
    Release notes & download

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