21mm Comparison: Distortion

Rollover the Canon full frame to reveal the Nikon shot.

21mm Distortion Test
21mm Distortion Test

There's still some tricky waveform barrel distortion at work in the Canon shot: not significant enough to be a problem in most images, but just enough to push parallel lines out of true. The Nikon 17-35mm, however, has lost almost all of its simple barrel distortion by 21mm and is perfectly useable for critical architectural work with only modest correction.


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