Reviews and Problems with Nikon AF Nikkor 20mm f/2.8D
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Nikon AF Nikkor 20mm f/2.8D Lens Review
SLR Lens and Camera Reviews
6 June 2009
Summary: When compared to all other ultra to moderately wide angle lenses (18mm to 28mm) based on the overall performance, Nikon's AF Nikkor 20mm f/2.8 does not quite stack up. The lens shows weak border performance at wide apertures on both full frame as well as APS-C type cameras and falls prone to pretty...
Excerpt: There isn't a whole lot to say about a fixed 20 lens. It is sharp, contrasty, and a bit fragile. All of Nikon's "very wide" lenses have "close-range correction" (CRC). This is a "floating element" that moves relative to the other pieces of glass inside the lens as you focus.
Excerpt: What you should know : If any optic in Nikon's extensive lens line can be called a standard ultrawide, it's the long-running 20mm f/2.8D AF Nikkor. Covering an impressive 94- degree angle, it's also pleasantly compact and fast enough for available-light shooting.
Conclusion: This summary will be exceptionally short. A very unfavourable pros to cons ratio in the case of a lens with the price tag of 520 $ should definitely put us off the purchase very effectively. As a consolation for the Nikon fans we can add that the Canon aficionados don’t have it easier either.
Cons: weak image quality on the edge of the frame,, high chromatic aberration,, noticeable distortion,, visible coma,, high vignetting,, steep price.
Conclusion: The Nikkor AF 20mm f/2.8 D had a very good reputation during the film era but the D200 didn't really like the lens. The resolution is fine for most of the APS-C image frame but the extreme corners never really reach impressive results even at medium aperture settings.
Summary: Te podsumowanie będzie wyjątkowo krótkie. Niekorzystny stosunek ilości
zalet do wad, w obiektywie kosztującym 2000 zł, powinien skutecznie
zniechęcić nas do jego zakupu. Na pocieszenie nikoniarzom powiemy, że
canonierzy nie mają wcale lepiej.
Pros: bardzo dobra jakość obrazu w centrum kadru,, dobrze korygowany astygmatyzm,, poprawna praca pod ostre światło,, brak jakichkolwiek zastrzeżeń do pracy autofokusa,, kompaktowa, a jednocześnie dość solidna obudowa.
Cons: słaba jakość obrazu na brzegu kadru,, duża aberracja chromatyczna,, zauważalna dystorsja,, widoczna koma,, duże winietowanie, wygórowana cena.