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Lens review

2011-02-22
 

Nikon Nikkor AF 20 mm f/2.8D

4. Image resolution

As you see on the graph below, the sharpness in the frame centre, which value was based on the strength of RAW files, is exactly as it should be in the case of a fixed-focal lens of high quality. Even at the maximum relative aperture the image quality is very good and on stopping down to f/4.0-8.0 it becomes excellent.

Nikon Nikkor AF 20 mm f/2.8D - Image resolution

On the edge of the frame the lens can’t be praised, though. In fact we could even criticize it for the low image quality level which corresponds to more or less that of average zooms. We don’t buy a prime (designed for full frame to boot) to get fuzzy image on edges after all…

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It is interesting that the rival Canon EF 2.8/20 fared very similarly here. Two giants, two slip-ups…

Nikon Nikkor AF 20 mm f/2.8D - Image resolution

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