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Reviews and Problems with Pentax SMC PENTAX-A 20MM F2.8

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Overall 6
Overall quality 6
Build quality 6

Pentax SMC-FA 20mm f/2.8 - Review / Test Report

31 October 2008
  • Conclusion: The Pentax SMC-FA 20mm f/2.8 is a pretty good lens but the current SMC-DA 21mm f/3.2 Limited is a little better all-in-all. That said the differences aren't really pronounced enough to justify an upgrade if you own the older lens. The general performance is actually very good except at wide-open aperture where the FA 20mm f/2.8 suffers from a relatively weak border performance combined with rather low contrast and high vignetting.
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