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8.8 out of 10

Panasonic Lumix G 20mm F1.7 ASPH

A Compact and Lightweight Pancake with Outstanding Brightness Mi Read more

Great Deal: $899.00

Reviews and Problems with Panasonic Lumix G 20mm F1.7 ASPH

Showing 1-3 of 3
Overall 8
Value for money 9
Features 8
Picture quality 9
Ergonomics 9
Build quality 8

Expert Review

DP Review
8 September 2011
  • Conclusion: The Lumix G 20mm F1.7 ASPH is a lens that we've been looking forward to seeing for real ever since Panasonic first showed a mock-up back at Photokina 2008 . The good news is that it's been well worth the wait - the 20mm is an excellent lens, especially considering its tiny size. It does well in all aspects of our studio tests, and produces fine images in a wide range of situations while also focusing quickly, silently and decisively.
  • Pros: Extremely small size and light weight - the perfect match for the E-P1 and GF1, Fast maximum aperture, Impressive image quality at all apertures, Good build quality, proper manual focus ring and non-rotating front element
  • Cons: Comparatively expensive (at least at launch), No lens hood
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Overall 8
Value for money 8
Overall quality 7
Build quality 8

Panasonic Lumix G 20mm f/1.7 ASPH - Review / Lens Test Report

2 April 2011
  • Conclusion: The Panasonic Lumix G 20mm f/1.7 ASPH is an interesting little being. The center image quality is nothing short of phenomenal. The borders are slightly worse but still very good level and that's straight from f/1.7. The amount of vignetting is a bit on the high side at f/1.7 and you need to stop down a few stops to resolve the issue. Distortions and lateral CAs are very well controlled and not field relevant.
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Overall 8

Panasonic 20 mm

29 March 2011
  • Summary: The Panasonic 20 mm 1.7 is a nice lens without real drawbacks. The optical performances are very good. The Panasonic 20 mm 1.7, coupled with a Panasonic GH2, nestles in terms of resolution between the best lenses for Micro-43, APS-C and full-frame together. From the measurements, it appears that the resolution in the extreme corners always lags behind the resolution at the center. In practice, it is not noticeable.
  • Pros: Good optical performances for resolution, chromatic aberration and distortion, Bright, Nice Bokeh, Compact construction and low weight, Solidly built and nice finishing
  • Cons: Vignetting at full aperture, no mechanical resistance when manually focusing
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