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Sigma-20mm-f1-8-ex-dg-aspherical-rf.33165592
8.0 out of 10

Sigma 20mm F1.8 EX DG ASPHERICAL RF

This Sigma 20mm F1.8 EX DG Aspherical RF is a unique Sigma offer Read more

Great Deal: $579.95

Reviews and Problems with Sigma 20mm F1.8 EX DG ASPHERICAL RF

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Overall 6
6.0
Value for money 8
8.0
Overall quality 3
3.0
Build quality 7
7.0

Sigma AF 20mm f/1.8 EX - Review / Test Report

photozone.de
18 April 2007
  • Conclusion: Due to its ultra-large max. aperture the Sigma AF 20mm f/1.8 EX is very ambitious lens. In theory you may argue that lens may be used for low light photography but its performance at max. aperture isn't really good enough for this. However, thanks to the very reduced depth-of-field you can exploit some creative potential at f/1.8 by blurring the surroundings of an object (see e.g. the flower pot sample shot above).
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