Tamron AF 20-40mm F2.7-3.5 Aspherical IF A-mount lens review by shadowgunner

reviewer#11434 date: Nov-5-2013
sharpness: 5
color: 5
build: 5
distortion: 4
flare control: 4
overall: 4.6
tested on:
  • film camera:Film camera
  • APS-C: 6MP6 MP; 10MP10 MP; 12MP12 MP; 14MP14 MP; 16MP16 MP; 20MP20 MP; 24MP24 MP
  • full frame: 12MP12 MP24MP24 MP36MP36 MP42MP42 MP
ownership:I own this lens
compared to:18-70 kit lens, Min O 28-85,Min O 35-70 f4.
price paid:280USD (new)
positive:Colors seem to be very accurate. I have little PP to do when I use this lens. It is quite sharp throughout its' range. It autofocuses very fast on both my A300 and A700. Build quality is superb, I see no problems with this lens. Manual focusing is very smooth on my lens.
negative:It's a little heavy at 515g, but not too bad for walking around. Without the hood you may experience some flare; since the first element is spherical.There is a little bit of distortion when I shoot too close to a building at 20mm.It is correctable in PP.
comment:My lens is the gold ring version (266D). I bought it new in the box at my local camera shop.It has performed admirably in all situations. I needed a lens with a wide end similar to the kit lens, but with better sharpness and color. This lens fits the need perfectly. It has wider aperture at the wide end (f2.7) which helps with some of the indoor shots. The colors are very close to the Minolta colors of my beercan lenses. My kit lens was a little cold and not especially sharp.

update Mar 2017: This lens is really performing even better on my A6000. I use it in conjunction with the LA-AE2.I also found a profile for Lightroom which corrects distortion at it's short end.

rating summary

lens image
  • total reviews: 4
  • sharpness: 4.75
  • color: 4.75
  • build: 5.00
  • distortion: 3.75
  • flare control: 3.50
  • overall: 4.35
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