Sony E Autofocus

Viltrox AF 20mm F2.8

Focal length: 20 mm
Aperture: f/2.8
Weight: 157 g
Filter diameter: 52 mm
Min. focus distance: 19 cm
Length: 59.5 mm

At a Glance

At 157 g, the 20 mm f/2.8 is a compact ultra-wide prime for full-frame Sony E-Mount. The 19 cm minimum focus distance gives a magnification of 1:5.88 (0.17x), so close subjects can fill a good part of the frame. Landscapes, architecture, interiors and travel are the natural fields for it.

Good for

Landscape
Architecture
Interiors
Travel

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

Technical Specifications

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: 10
Groups: 8
Weight: 157 g (0.35 lb)
Filter diameter: 52 mm
Min. focus distance: 19 cm (7.48 in)
Max. magnification: 1:5.9 (0.17×)
Length: 59.5 mm (2.34 in)
Diameter: 65 mm (2.56 in)

Manufacturer data: viltrox.com, viltrox.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 Viltrox AF 20mm F2.8 fit?

The Viltrox AF 20mm F2.8 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