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HomePhotographyLensesMirrorless LensesTamron 20mm f/2.8 Di III

Tamron 20mm f/2.8 Di III OSD M 1:2 Lens for Sony E

BH #TA2028E • MFR #F050
28 reviews
Tamron
Tamron 20mm f/2.8 Di III OSD M 1:2 Lens for Sony E
Key Features
  • E-Mount Lens/Full-Frame Format
  • Aperture Range: f/2.8 to f/22
  • Three Low Dispersion Elements
  • One Aspherical Element
Sleek and ultra-wide describe the 20mm f/2.8 Di III OSD M 1:2 Lens from Tamron; a flexible wide-angle prime designed for full-frame Sony E-mount mirrorless cameras. This lens uses a modestly bright maximum aperture to achieve a svelte and lightweight profile that is ideal for everyday, walkaround shooting. Also contributing to its versatility is a half life-size 1:2 maximum magnification ratio and 4.3" minimum focusing distance for working with close-up subjects. An OSD stepping motor achieves fast and near-silent autofocus performance along with full-time manual focus override. Additionally, the lens sports a moisture-resistant physical design along with a fluorine coating to suit working in inclement conditions.
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Tamron 20mm f/2.8 Di III Overview

Sleek and ultra-wide describe the 20mm f/2.8 Di III OSD M 1:2 Lens from Tamron; a flexible wide-angle prime designed for full-frame Sony E-mount mirrorless cameras. This lens uses a modestly bright maximum aperture to achieve a svelte and lightweight profile that is ideal for everyday, walkaround shooting. Also contributing to its versatility is a half life-size 1:2 maximum magnification ratio and 4.3" minimum focusing distance for working with close-up subjects. An OSD stepping motor achieves fast and near-silent autofocus performance along with full-time manual focus override. Additionally, the lens sports a moisture-resistant physical design along with a fluorine coating to suit working in inclement conditions.

Wide-angle prime is designed for full-frame Sony E-mount mirrorless cameras, however is also suitable for use with APS-C models where it provides a 30mm equivalent focal length.
Modestly bright f/2.8 maximum aperture strikes a balance between being suitable for working in available lighting conditions and realizing an impressively compact and lightweight profile.
Three LD (Low Dispersion) elements reduce chromatic aberrations and color fringing in order to produce increased clarity and color fidelity.
One molded glass aspherical element suppresses distortion and spherical aberrations for greater sharpness and more accurate rendering.
BBAR (Broad-Band Anti-Reflection) coating has been applied to lens elements to reduce surface reflections and prevent lens flare and ghosting for increased contrast and color accuracy.
Ideal for close-up shooting, this lens offers a half life-size 1:2 maximum magnification along with a minimum focusing distance of 4.3" to suit working at near distances.
OSD stepping motor offers especially quiet, fast, and precise autofocus performance along with full-time manual focus override.
A moisture-resistant construction benefits this lens' use in inclement conditions, and a fluorine coating has also been applied to the front lens element to protect against dust, dirt, and smearing.
Rounded seven-blade diaphragm contributes to a pleasing bokeh quality.
UPC: 725211500018

Tamron 20mm f/2.8 Di III Specs

Focal Length20mm
Maximum Aperturef/2.8
Minimum Aperturef/22
Lens MountSony E
Lens Format CoverageFull-Frame
Angle of View94° 30'
Minimum Focus Distance4.3" / 10.92 cm
Maximum Magnification0.5x
Macro Reproduction Ratio1:2
Optical Design10 Elements in 9 Groups
Diaphragm Blades7, Rounded
Focus TypeAutofocus
Image StabilizationNo
Filter Size67 mm (Front)
Dimensions (ø x L)2.87 x 2.5" / 73 x 63.5 mm
Weight7.8 oz / 221 g
Packaging Info
Package Weight1.13 lb
Box Dimensions (LxWxH)6.3 x 5.7 x 4.6"

Tamron 20mm f/2.8 Di III Reviews

Very good.

By Nicolas
Rated 5 out of 5
Date: 2022-03-04

Amazing.

Functional for many uses

By Ronald
Rated 3 out of 5
Date: 2021-07-03

It is Okay for a low-cost lens, but it does have issues. My copy is not overly sharp and there is color fringing at the corners. It also focus-seeks more than any lens I've ever had to deal with. I end up having to go manual focus when I shouldn't. If the autofocus is that bad they ought to put an MF/AF switch on the lens. But, what did you expect for the price?

Perfect low-cost wide angle lens!

By Rebecca
Rated 5 out of 5
Date: 2021-02-26

Tamron in general is a good brand for lower-cost lenses, but this is a great option for not breaking the bank. The image is clear and the low aperture is great. It's a fantastic option for anyone who wants an e-mount lens for an affordable price!

Very basic lens

By Robert
Rated 3 out of 5
Date: 2021-01-21

Lots of distortion, color and contrast is bad, and it’s NOT internal focusing plus the lens is very noisy when focusing

sharp lens! amazing.

By Penjejak
Rated 5 out of 5
Date: 2020-11-18

i'm a wedding photographer and usually here wedding helds at home which inside area a small and need a wide angle lens to take a group photos..well this is the perfect one for me..and very sharp too!

VLOG/YOUTUBE MUST HAVE

By Rodrigo
Rated 5 out of 5
Date: 2020-10-27

I make fitness vlogs for youtube and this has been an absolute game changer for vlogging and getting a better look at things I shoot such as lifestyle shots, cooking, gym, outdoors etc. LOVE IT and highly recommend

Decent lens

By Zachary
Rated 4 out of 5
Date: 2021-10-20

This lens is built fairly well for a low costing lens. One drawback is that there is heavy distortion which will require some post processing. If you are not a professional landscape photographer, I think it's a fun lens that's worth carrying around. This is my fifth Tamron lens and their customer service has always impressed me.

Solid prime lens

By Ken
Rated 4 out of 5
Date: 2021-08-16

Impressive images from a lens in this price range. Sharp and good contrast even at f2.8. The weather seal is also a great feature. Although the close up feature is good it's hard to avoid your own shadow with a lens of only 20 mm. Along with a 50 mm lens this makes a very compact and light outfit for street photography.

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Is this lens ideal for low light videos indoors ...

Is this lens ideal for low light videos indoors for YouTube videos?
Asked by: Ricardo
I would say yes. I've used it for many concert or nighttime videos and it performs excellent. So long as you're shooting 1/60 shutter or less you should find the results great. Try to stay away from slow motion or 60fps shooting when it's seriously dark.
Answered by: Joe
Date published: 2021-07-11

can this lens be used for macro purposes?

can this lens be used for macro purposes?
Asked by: Zak
yes i use this lens usually for my ring shots
Answered by: Penjejak
Date published: 2021-06-15

Can this lens be focused manually? Thanks.

Can this lens be focused manually? Thanks.
Asked by: essam
Yes.
Answered by: Rob
Date published: 2021-02-04

Can I use it on a6400?

Can I use it on a6400?
Asked by: Oscar
Yes, this is compatible with your camera.
Answered by: Rob
Date published: 2020-07-24

full frame on Sony A7iii?

full frame on Sony A7iii?
Asked by: jefferson
Yes this lens is a full frame lens and is fully compatible with the A7III.
Answered by: James
Date published: 2021-10-13

After reading some reviews of this lens, I ...

After reading some reviews of this lens, I noticed that many mention of barrel distortion and that it is corrected in-camera especially when using Sony Alpha cameras. Is this the case with Sony A7s II and is there an optional menu to turn barrel distortion correction on?
Asked by: Bartosz
Unfortunately the A7SII does not support 3rd party lenses for lens correction in camera. However using computer software such as Capture One you can apply lens corrections later: https://bhpho.to/2RPEJxB
Answered by: Dan
Date published: 2021-05-14

Does this work for A7r IV?

Does this work for A7r IV?
Asked by: Disha
Yes, it is compatible with the A7R4.
Answered by: Rob
Date published: 2020-10-19

How does the image quality at 20mm compare to the ...

How does the image quality at 20mm compare to the zoom 17-28mm at 20mm?
Asked by: George
Both are excellent lenses, the image quality between the 2 lenses is negligible and I don't think one is necessarily better than the other.
Answered by: Rob
Date published: 2020-08-12
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