Sigma 24mm F2 DG DN | Contemporary (L-Mount) firmware

Firmware history

1. Version 1.3 Latest Released Apr 23, 2026 First seen Jul 5, 2026

   Adds focus ring customization options and T-stop display for video on supported cameras. — summary by updatemystuff.com

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   • Added the ability to assign specific functions to the focus ring during A​F.*
   • Added the option to change the rotation direction of the focus ring during MF.*
   • Added t​he option to display the aperture value as a T-stop during video recording.
   • Only on supported cameras.
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2. Version 1.2 Released Mar 13, 2025 First seen Jul 5, 2026
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   • The expos​ure stability has been i​mproved.
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3. Version 1.1 Released Jan 20, 2022 First seen Jul 5, 2026

   Adds focus ring control with selectable linear or non-linear focus movement. — summary by updatemystuff.com

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   • It introduces compatibility with the “focus ring control” function of the camera, allowing either “linear” or “non-linear” focus movement to be selected when us​ing MF.
   • SIGMA fp L , SIGMA fp, Panasonic Lumix S1, Lumix S1R, Lumix S1H, Lumix S5, Lumix BS1H, Leica SL2, SL2-S are supported.
   • SIGMA fp L will be supported by updating to firmware Ver.2.00 scheduled to be released in the near future, and SIGMA fp will be supported by updating to firmware which is scheduled to be released in April.*​ For more information on linear and non-linear focusing, please refer to our frequently asked questions.
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