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Leica L mount Ultra-wide prime

Leica Summicron-TL 23mm f/2 ASPH.

Quick answer

The Leica Summicron-TL 23mm f/2 ASPH. is a ultra-wide prime lens covering 23mm at f/2.0 for the Leica L mount. Its fast maximum aperture helps in dim light and gives good subject separation.

Focal
23mm
Aperture
f/2–16
Weight
154g
Filter
52mm
Min focus
0.35m

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

Leica Summicron-TL 23mm f/2 ASPH. specifications

Optics

Focal length
23mm
Maximum aperture
f/2.0
Minimum aperture
f/16
Format coverage
APS-C
Optical construction
9 elements in 6 groups

Focus

Minimum focus distance
0.35 m
Maximum magnification
0.08×

Physical

Filter thread
52 mm
Weight
154 g
Length
37 mm
Diameter
63 mm

General

Brand
Leica
Mount
Leica L
Lens type
Prime

Specification source: leica-camera.com

What can you shoot with the Leica Summicron-TL 23mm f/2 ASPH.?

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

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

Its fast maximum aperture helps in dim light and gives good subject separation.

Frequently asked questions

What mount does the Leica Summicron-TL 23mm f/2 ASPH. use?

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

What is the focal length of the Leica Summicron-TL 23mm f/2 ASPH.?

It is a fixed 23mm lens with a maximum aperture of f/2.0. That makes it a ultra-wide lens.

Is the Leica Summicron-TL 23mm f/2 ASPH. 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/2.0.

What is the Leica Summicron-TL 23mm f/2 ASPH. 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 Leica Summicron-TL 23mm f/2 ASPH. 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.