Sigma 40mm F1.4 DG HSM | Art (L-Mount)

Sigma 40mm F1.4 DG HSM | Art (L-Mount) firmware

Sigma · 40mm F1.4 DG HSM | Art (L-Mount) · Lens

Latest firmware for the Sigma 40mm F1.4 DG HSM / Art (L-Mount) is v1.2 (October 23, 2025).

Specifications

40mm F1.4 DG HSM | Art (L-Mount) specifications

Focal length
40mm
Maximum aperture
F1.4
Minimum aperture
F16
Type
Prime Lens
Filter thread
82 mm
Elements / groups
16/12
Aperture blades
9
Closest focus
0.4 m
Maximum magnification
0.15×
Stabilisation
No
Autofocus
Yes
Mount
Leica SL

Changelog

40mm F1.4 DG HSM | Art (L-Mount) firmware changelog

  1. v1.1 v1.2

  2. v1.1 first tracked

Firmware history

  1. Version 1.2 Latest Released Oct 23, 2025 First seen Jul 5, 2026
    Show release notes
    • The operation​al stability h​as been improved.
    Release notes & download
  2. Version 1.1 Released May 20, 2021 First seen Jul 5, 2026
    Show release notes

    It has improved the AF accuracy when it ​is used with the SIGMA fp L.It has improved aperture operation when shootin​g movies with the Panasonic LUMIX S1H.

    Release notes & download

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