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Tamron 20-40mm F/2.8 Di III VXD

Sony E Autofocus

Tamron 20-40mm F/2.8 Di III VXD

Focal length
20–40 mm
Aperture
f/2.8
Weight
365 g
Filter diameter
67 mm
Min. focus distance
17 cm
Length
86.5 mm
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At a Glance

On full-frame Sony E cameras, this standard zoom offers 20-40 mm with f/2.8 at every focal length. A minimum focus distance of 17 cm gives a magnification of 1:3.85, which allows close-ups as well. The lens weighs 365 g. It suits everyday shooting, travel and events.

Good for

  • Everyday
  • Travel
  • Events

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
40 mm
Max. aperture (min. zoom)
f/2.8
Max. aperture (max. zoom)
f/2.8
Min. aperture
f/22
Elements
12
Groups
11
Weight
365 g (0.8 lb)
Filter diameter
67 mm
Min. focus distance
17 cm at 20 mm · 29 cm at 40 mm
Max. magnification
1:3.8 at 20 mm · 1:5.1 at 40 mm
Length
86.5 mm (3.41 in)
Diameter
74.4 mm (2.93 in)
Released
October 2022

Manufacturer data: tamron.com, tamron.com, tamron-usa.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 Tamron 20-40mm F/2.8 Di III VXD fit?

The Tamron 20-40mm F/2.8 Di III VXD 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 30-60 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

Tamron 20-40mm F/2.8 Di III VXD compared

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

LensTamron 20-40mm F/2.8 Di III VXDSony FE 16-35mm F2.8 GMSony FE 16-35mm F2.8 GM IISony FE 24-50mm F2.8 G
Focal length20-40 mm16-35 mm16-35 mm24-50 mm
Max. aperturef/2.8f/2.8f/2.8f/2.8
Weight365 g680 g547 g440 g
Filter diameter67 mm82 mm82 mm67 mm
Min. focus distance17 cm28 cm22 cm18 cm
Length86.5 mm121.6 mm111.5 mm92.3 mm
Autofocusyesyesyesyes
Image stabilizationnononono
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Tamron 20-40mm F/2.8 Di III VXD: FAQ

Does the Tamron 20-40mm F/2.8 Di III VXD have autofocus?

Yes, the Tamron 20-40mm F/2.8 Di III VXD has autofocus.

Does the Tamron 20-40mm F/2.8 Di III VXD have image stabilization?

No, the Tamron 20-40mm F/2.8 Di III VXD has no stabilization of its own. On cameras with in-body image stabilization (IBIS) the image is still stabilized.

How much does the Tamron 20-40mm F/2.8 Di III VXD weigh?

The Tamron 20-40mm F/2.8 Di III VXD weighs 365 g. It is 86.5 mm long with a diameter of 74.4 mm.

What filter size does the Tamron 20-40mm F/2.8 Di III VXD use?

The Tamron 20-40mm F/2.8 Di III VXD takes 67 mm screw-in filters.

How close can the Tamron 20-40mm F/2.8 Di III VXD focus?

The minimum focus distance of the Tamron 20-40mm F/2.8 Di III VXD is 17 cm, measured from the sensor plane.

Is the Tamron 20-40mm F/2.8 Di III VXD a full-frame lens?

Yes, the Tamron 20-40mm F/2.8 Di III VXD covers full frame. On APS-C cameras its field of view equals 30-60 mm in full-frame terms.

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