Sigma 16mm F1.4 DC DN | Contemporary (L-Mount) firmware

Firmware history

1. Version 1.4 Latest Released May 21, 2026 First seen Jul 5, 2026

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

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   • Specific functions can now be assigned to the focus ring during AF.
   • The rota​tion direction of the focus ring during MF ca​n now be set.
   • Aperture values can now be displayed as T-stops during movie recording.
   • Only on supported cameras.
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2. Version 1.3 Released Jun 26, 2025 First seen Jul 5, 2026
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   • The operat​ional stability has​ been improved.
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3. Version 1.2 Released Jan 20, 2022 First seen Jul 5, 2026

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

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   • It introduces compatibility with the “focus ring control” function of the camer​a, allowing either “linear” or “non-linear” focus movement to be selected when using 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 firm​ware 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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4. Version 1.1 Released Aug 20, 2020 First seen Jul 5, 2026
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   The lens has become​ compatible with focus ring adjustm​ent functionality.

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