Sigma 20mm F1.8 EX Aspherical DG DF RF A-mount lens review by laguire

reviewer#2686 date: Sep-3-2007
sharpness: 4
color: 4
build: 5
distortion: 5
flare control: 5
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 MP; 24MP24 MP; 36MP36 MP; 42MP42 MP; 61MP61 MP
ownership:I own this lens
compared to:18-70 kit lens, sigma 14/2.8.
price paid:270 usd (new)
positive:Sharp in the center. Fastest 20mm lens with good creative possibilities wide open.
negative:soft corners wide open. Big and heavy.
comment:Not a perfect lens in terms of corner sharpness, but this is a lens you get for flexibility and creativity. Can do great night shots with anti-shake and the 1.8 aperture. When stopped down, performs decently well in terms of sharpness. Have had some photos with harsher bokeh.

rating summary

lens image
  • total reviews: 34
  • sharpness: 4.35
  • color: 4.50
  • build: 4.56
  • distortion: 4.26
  • flare control: 3.94
  • overall: 4.32 - Home of the alpha system photographer
In memory of Cameron Hill - brettania