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Tamron 11-20mm F/2.8 Di III-A RXD

Sony E Autofocus

Tamron 11-20mm F/2.8 Di III-A RXD

Focal length
11–20 mm
Aperture
f/2.8
Weight
335 g
Filter diameter
67 mm
Min. focus distance
15 cm
Length
86 mm
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At a Glance

On Sony E-mount APS-C cameras, the Tamron 11-20mm F/2.8 Di III-A RXD covers an equivalent of 17-30 mm. It holds f/2.8 over the whole zoom range, weighs a compact 335 g and has a moisture-resistant construction. A fluorine coating is included, and the minimum focus distance is 15 cm. It suits landscapes, architecture, interiors and the night sky.

Good for

  • Landscape
  • Architecture
  • Interiors
  • Night sky

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
11 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
12
Groups
10
Weight
335 g (0.74 lb)
Filter diameter
67 mm
Min. focus distance
15 cm at 11 mm · 24 cm at 20 mm
Max. magnification
1:4 at 11 mm · 1:7.7 at 20 mm
Length
86 mm (3.39 in)
Diameter
73 mm (2.87 in)
Released
June 2021

Manufacturer data: tamron-americas.com, tamron.com, tamron.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 11-20mm F/2.8 Di III-A RXD fit?

The Tamron 11-20mm F/2.8 Di III-A RXD is designed for APS-C sensors. On APS-C Sony E-Mount cameras its field of view equals 17-30 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

Tamron 11-20mm F/2.8 Di III-A RXD compared

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

LensTamron 11-20mm F/2.8 Di III-A RXDSigma 10-18mm F2.8 DC DNSony E 10-20mm F4 PZ GSony E 10-18mm F4 OSS
Focal length11-20 mm10-18 mm10-20 mm10-18 mm
Max. aperturef/2.8f/2.8f/4f/4
Weight335 g255 g178 g225 g
Filter diameter67 mm67 mm62 mm62 mm
Min. focus distance15 cm11.6 cm13 cm25 cm
Length86 mm64 mm55 mm63.5 mm
Autofocusyesyesyesyes
Image stabilizationnononoyes
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Tamron 11-20mm F/2.8 Di III-A RXD: FAQ

Does the Tamron 11-20mm F/2.8 Di III-A RXD have autofocus?

Yes, the Tamron 11-20mm F/2.8 Di III-A RXD has autofocus.

Does the Tamron 11-20mm F/2.8 Di III-A RXD have image stabilization?

No, the Tamron 11-20mm F/2.8 Di III-A RXD has no stabilization of its own. On cameras with in-body image stabilization (IBIS) the image is still stabilized.

How much does the Tamron 11-20mm F/2.8 Di III-A RXD weigh?

The Tamron 11-20mm F/2.8 Di III-A RXD weighs 335 g. It is 86 mm long with a diameter of 73 mm.

What filter size does the Tamron 11-20mm F/2.8 Di III-A RXD use?

The Tamron 11-20mm F/2.8 Di III-A RXD takes 67 mm screw-in filters.

How close can the Tamron 11-20mm F/2.8 Di III-A RXD focus?

The minimum focus distance of the Tamron 11-20mm F/2.8 Di III-A RXD is 15 cm, measured from the sensor plane.

Is the Tamron 11-20mm F/2.8 Di III-A RXD a full-frame lens?

No, the Tamron 11-20mm F/2.8 Di III-A RXD is an APS-C lens. On APS-C cameras its field of view equals 17-30 mm in full-frame terms.

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