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Sigma Leica L mount Superzoom

Sigma 20-200mm f/3.5-6.3 DG Contemporary

Quick answer

The Sigma 20-200mm f/3.5-6.3 DG Contemporary is a ultra-wide to telephoto superzoom lens covering 20-200mm at f/3.5 for the Leica L mount. Its moderate maximum aperture works best in good light or with a higher ISO.

Focal
20–200mm
Aperture
f/3.5–22
Weight
550g
Filter
72mm
Min focus
0.17m
AF motor
Linear motor

What 20-200mm sees

Full frame crop 1.0×
12.3–94.5° 10.3–84° horizontal
APS-C crop 1.5× → 30–300mm
8.2–71.6° 6.9–61.9° horizontal

Diagonal angle of view. Frames drawn to scale at 20mm. Calculated from the focal length and crop factor, not measured.

Open the field-of-view calculator

Sigma 20-200mm f/3.5-6.3 DG Contemporary specifications

Optics

Focal length
20-200mm
Maximum aperture
f/3.5
Minimum aperture
f/22
Format coverage
Full frame
Optical construction
18 elements in 14 groups
Aperture blades
9

Focus

Autofocus motor
Linear motor
Minimum focus distance
0.17 m
Maximum magnification
0.5×

Physical

Weather sealing
Yes
Filter thread
72 mm
Weight
550 g
Length
115.5 mm
Diameter
77.2 mm

General

Brand
Sigma
Mount
Leica L
Lens type
Superzoom
Released
2025

Specification source: sigma-global.com

What can you shoot with the Sigma 20-200mm f/3.5-6.3 DG Contemporary?

At 20-200mm this is a ultra-wide to telephoto superzoom, which typically suits:

  • Landscapes and big skies
  • Architecture and interiors
  • Astrophotography and night skies
  • Landscapes and cityscapes
  • Street and travel photography

Its moderate maximum aperture works best in good light or with a higher ISO.

Frequently asked questions

What mount does the Sigma 20-200mm f/3.5-6.3 DG Contemporary use?

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

What is the focal length of the Sigma 20-200mm f/3.5-6.3 DG Contemporary?

It zooms across 20-200mm with a maximum aperture of f/3.5. That makes it a ultra-wide to telephoto lens.

Is the Sigma 20-200mm f/3.5-6.3 DG Contemporary a prime or a zoom lens?

It is a zoom lens covering 20-200mm, so you can reframe without moving. Its maximum aperture is f/3.5.

What is the Sigma 20-200mm f/3.5-6.3 DG Contemporary equivalent on a crop sensor?

On APS-C (1.5x crop) it frames like 30–300mm on full frame, with a 6.9–61.9° horizontal and 8.2–71.6° diagonal field of view. These figures are calculated from the focal length and crop factor.

Which cameras does the Sigma 20-200mm f/3.5-6.3 DG 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.