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Sony E 20mm F2.8

Sony E Autofocus

Sony E 20mm F2.8

Focal length
20 mm
Aperture
f/2.8
Weight
69 g
Filter diameter
49 mm
Min. focus distance
20 cm
Length
20 mm
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At a Glance

The 20 mm focal length of this APS-C Sony E-mount prime corresponds to 30 mm in full-frame terms, a moderate wide angle. The lens weighs 69 g, which makes it compact, and it opens to f/2.8. It focuses down to 20 cm. Landscape, reportage, vlogging and travel are typical uses.

Good for

  • Landscape
  • Reportage
  • Vlogging
  • Travel

Worth knowing

  • APS-C image circle: on full-frame cameras only usable in crop mode, at reduced resolution.

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/2.8
Max. aperture (max. zoom)
f/2.8
Min. aperture
f/16
Elements
6
Groups
6
Weight
69 g (0.15 lb)
Filter diameter
49 mm
Min. focus distance
20 cm (7.87 in)
Max. magnification
1:8.3 (0.12×)
Length
20 mm (0.79 in)
Diameter
63 mm (2.48 in)

Manufacturer data: sony.com, sony.com

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

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Compare with other lenses

Which cameras does the Sony E 20mm F2.8 fit?

The Sony E 20mm F2.8 is designed for APS-C sensors. On APS-C Sony E-Mount cameras its field of view equals 30 mm in full-frame terms. Full-frame bodies use it in APS-C (crop) mode, recording only part of the sensor and fewer megapixels.

Sony E-Mount cameras

Full frame (in APS-C mode):
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

Sony E 20mm F2.8 compared

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

LensSony E 20mm F2.8Sigma 19mm F2.8 DN ArtSigma 19mm F2.8 EX DNTamron 20mm F2.8 Di III OSD M1:2
Focal length20 mm19 mm19 mm20 mm
Max. aperturef/2.8f/2.8f/2.8f/2.8
Weight69 g160 g140 g220 g
Filter diameter49 mm46 mm46 mm67 mm
Min. focus distance20 cm20 cm20 cm11 cm
Length20 mm46 mm46 mm64 mm
Autofocusyesyesyesyes
Image stabilizationnononono
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Sony E 20mm F2.8: FAQ

Does the Sony E 20mm F2.8 have autofocus?

Yes, the Sony E 20mm F2.8 has autofocus.

Does the Sony E 20mm F2.8 have image stabilization?

No, the Sony E 20mm F2.8 has no stabilization of its own. On cameras with in-body image stabilization (IBIS) the image is still stabilized.

How much does the Sony E 20mm F2.8 weigh?

The Sony E 20mm F2.8 weighs 69 g. It is 20 mm long with a diameter of 63 mm.

What filter size does the Sony E 20mm F2.8 use?

The Sony E 20mm F2.8 takes 49 mm screw-in filters.

How close can the Sony E 20mm F2.8 focus?

The minimum focus distance of the Sony E 20mm F2.8 is 20 cm, measured from the sensor plane.

Is the Sony E 20mm F2.8 a full-frame lens?

No, the Sony E 20mm F2.8 is an APS-C lens. On APS-C cameras its field of view equals 30 mm in full-frame terms.

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