Sigma 30mm F1.4 EX DC A-mount lens review by lattiboy

reviewer#4233 date: Oct-13-2008
sharpness: 4.5
color: 5
build: 5
distortion: 5
flare control: 5
overall: 4.9
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 MP; 24MP24 MP; 36MP36 MP; 42MP42 MP; 61MP61 MP
ownership:I own this lens
compared to:Minolta 50mm f/1.7
Minolta 28mm f/2.8
Minolta 135mm f/2.8
price paid:415 USD (new)
positive:1) Amazing f/1.4 @ 30mm!
2) Excellent CENTER sharpness at all apertures
3) Excellent build quality
4) Bokeh
5) Cost
negative:1) Corners VERY soft @ f/2 and below
2) Not for FF cameras
comment:FINALLY a reasonably priced replacement for the "standard" 50mm f/1.7 on cropped sensor!!!

CENTER sharpness is excellent throughout the range, but corner softness is excessive. However, stopping down to f/2.2 or so sharpens up the corners nicely. This is really not an issue because the whole point of this lens is subject isolation. The softness actually works quite well with the amazing, completely blurred bokeh that is produced by this lens.

All in all, probably the best prime for a shooter not looking to drop $3k on a FF camera anytime soon.




rating summary

lens image
  • total reviews: 50
  • sharpness: 4.61
  • color: 4.68
  • build: 4.52
  • distortion: 4.56
  • flare control: 4.52
  • overall: 4.58
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