21mm / f4 Performance

Performance at 21mm: f4 (centre frame)

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Contax N 17-35mm at 21mm/f4 Nikon 17-35mm AFS at 21mm/f4
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1 point

Performance at 21mm: f4 (10mm off-centre, right side)

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Contax N 17-35mm at 21mm/f4 Nikon 17-35mm AFS at 21mm/f4
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1 point

Performance at 21mm: f4 (upper right corner)

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Contax N 17-35mm at 21mm/f4 Nikon 17-35mm AFS at 21mm/f4
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As at f2.8, the Nikon has all the kudos until we consider the corner. Note in its defense, however, that the Nikon 17-35mm’s CA blight at 17mm is much improved at 21mm. It’s still there, but it’s on the way out. The gulf separating the two with regard to corner performance is also narrowing: an early sign that the Contax N isn’t going to have this comparison all its own way.