Skip to content
Menu

Sigma Leica L mount Ultra-wide prime

Sigma 23mm f/1.4 DC DN Contemporary

Quick answer

The Sigma 23mm f/1.4 DC DN Contemporary is a ultra-wide prime lens covering 23mm at f/1.4 for the Leica L mount. Its very wide maximum aperture suits low light and shallow depth of field with strong background blur.

Focal
23mm
Aperture
f/1.4
Weight
340g
Filter
52mm
Min focus
0.25m
AF motor
Stepping motor

What 23mm sees

APS-C crop 1.5× → 35mm
64.2° 55.1° horizontal

Diagonal angle of view. Frames drawn to scale at 23mm. Calculated from the focal length and crop factor, not measured.

Open the field-of-view calculator

Sigma 23mm f/1.4 DC DN Contemporary specifications

Optics

Focal length
23mm
Maximum aperture
f/1.4
Format coverage
APS-C

Focus

Autofocus motor
Stepping motor
Minimum focus distance
0.25 m
Maximum magnification
0.14×

Physical

Filter thread
52 mm
Weight
340 g
Length
76.9 mm
Diameter
65.8 mm

General

Brand
Sigma
Mount
Leica L
Lens type
Prime
Released
2023

Specification source: sigma-global.com

What can you shoot with the Sigma 23mm f/1.4 DC DN Contemporary?

At 23mm this is a ultra-wide prime, which typically suits:

  • Landscapes and big skies
  • Architecture and interiors
  • Astrophotography and night skies

Its very wide maximum aperture suits low light and shallow depth of field with strong background blur.

Frequently asked questions

What mount does the Sigma 23mm f/1.4 DC DN Contemporary use?

It uses the Leica L mount, so it fits Leica L cameras directly.

What is the focal length of the Sigma 23mm f/1.4 DC DN Contemporary?

It is a fixed 23mm lens with a maximum aperture of f/1.4. That makes it a ultra-wide lens.

Is the Sigma 23mm f/1.4 DC DN Contemporary a prime or a zoom lens?

It is a prime lens with a fixed 23mm focal length. Primes usually open wider than zooms; this one opens to f/1.4.

What is the Sigma 23mm f/1.4 DC DN Contemporary equivalent on a crop sensor?

On APS-C (1.5x crop) it frames like 35mm on full frame, with a 55.1° horizontal and 64.2° diagonal field of view. These figures are calculated from the focal length and crop factor.

Which cameras does the Sigma 23mm f/1.4 DC DN Contemporary fit?

Any Leica L-mount camera, including Leica SL (Typ 601), Leica SL2, Leica SL2-S, Leica SL3, and Panasonic Lumix DC-S1 and 17 more.