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Sigma 20mm F2.0 DG DN | Contemporary

Sony E Autofocus

Sigma 20mm F2.0 DG DN | Contemporary

Focal length
20 mm
Aperture
f/2
Weight
370 g
Filter diameter
62 mm
Min. focus distance
22 cm
Length
74.4 mm
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At a Glance

This 20 mm prime is an ultra-wide option for full frame Sony E-mount with autofocus. The f/2 aperture helps in dim light by allowing shorter shutter times. It reaches a magnification of 0.15x at a 22 cm minimum focus distance, and it weighs 370 g. Landscapes, architecture, interiors and night skies are where the wide view pays off.

Good for

  • Landscape
  • Architecture
  • Interiors
  • Night sky

Derived from the manufacturer data, not from our own tests. How we check

Technical Specifications

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Min. focal length
20 mm
Max. focal length
20 mm
Max. aperture (min. zoom)
f/2
Max. aperture (max. zoom)
f/2
Min. aperture
f/22
Elements
13
Groups
11
Weight
370 g (0.82 lb)
Filter diameter
62 mm
Min. focus distance
22 cm (8.66 in)
Max. magnification
1:6.7 (0.15×)
Length
74.4 mm (2.93 in)
Diameter
70 mm (2.76 in)
Announced
February 2022

Manufacturer data: sigma-global.com, sigma-global.com

Last checked: October 13, 2026 (against the manufacturer data) · How we check

Simulate depth of field and angle of view

Compare with other lenses

Which cameras does the Sigma 20mm F2.0 DG DN | Contemporary fit?

The Sigma 20mm F2.0 DG DN | Contemporary is a full-frame lens for Sony E-Mount cameras. On full-frame bodies it uses the whole sensor; on APS-C Sony E-Mount cameras its field of view equals 30 mm in full-frame terms.

Sony E-Mount cameras

Full frame:
Sony A7R VI,Sony A7 V,Sony FX2,Sony A1 II,Sony A9 III,Sony A7C II,Sony A7CR,Sony ZV-E1,Sony A7R V,Sony A7 IV,Sony A1,Sony FX3,Sony A7S III,Sony A7C,Sony FX6,Sony A7R IV (A7R IVA),Sony A9 II,Sony FX9,Sony A7 III,Sony A7R III (A7R IIIA),Sony A9,Sony A7R II,Sony A7S II,Sony A7 II,Sony A7S,Sony A7,Sony A7R
APS-C:
Sony ZV-E10 II,Sony A6700,Sony FX30,Sony ZV-E10,Sony A6600,Sony A6100,Sony A6400,Sony A6500,Sony A6300,Sony QX1 (ILCE-QX1),Sony A6000,Sony A5100,Sony A3500,Sony A5000,Sony A3000,Sony NEX-5T,Sony NEX-3N,Sony NEX-6,Sony NEX-5R,Sony NEX-F3,Sony NEX-7,Sony NEX-5N,Sony NEX-C3,Sony NEX-5,Sony NEX-3

Sigma 20mm F2.0 DG DN | Contemporary compared

Key specs side by side with the most similar Sony E-Mount lenses.

LensSigma 20mm F2.0 DG DN | ContemporaryTokina Firin 20mm F2 FE AFSony FE 20mm F1.8GTamron 20mm F2.8 Di III OSD M1:2
Focal length20 mm20 mm20 mm20 mm
Max. aperturef/2f/2f/1.8f/2.8
Weight370 g464 g373 g220 g
Filter diameter62 mm62 mm67 mm67 mm
Min. focus distance22 cm28 cm18 cm11 cm
Length74.4 mm81.5 mm84.7 mm64 mm
Autofocusyesyesyesyes
Image stabilizationnononono
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Sigma 20mm F2.0 DG DN | Contemporary: FAQ

Does the Sigma 20mm F2.0 DG DN | Contemporary have autofocus?

Yes, the Sigma 20mm F2.0 DG DN | Contemporary has autofocus.

Does the Sigma 20mm F2.0 DG DN | Contemporary have image stabilization?

No, the Sigma 20mm F2.0 DG DN | Contemporary has no stabilization of its own. On cameras with in-body image stabilization (IBIS) the image is still stabilized.

How much does the Sigma 20mm F2.0 DG DN | Contemporary weigh?

The Sigma 20mm F2.0 DG DN | Contemporary weighs 370 g. It is 74.4 mm long with a diameter of 70 mm.

What filter size does the Sigma 20mm F2.0 DG DN | Contemporary use?

The Sigma 20mm F2.0 DG DN | Contemporary takes 62 mm screw-in filters.

How close can the Sigma 20mm F2.0 DG DN | Contemporary focus?

The minimum focus distance of the Sigma 20mm F2.0 DG DN | Contemporary is 22 cm, measured from the sensor plane.

Is the Sigma 20mm F2.0 DG DN | Contemporary a full-frame lens?

Yes, the Sigma 20mm F2.0 DG DN | Contemporary covers full frame. On APS-C cameras its field of view equals 30 mm in full-frame terms.

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