Nikon Nikkor AF-S DX 17-55 mm f/2.8G IF-ED
6. Distortion
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The distortion is the best pronounced at the shortest focal length – we get barrel distortion of -3.39%. The value is not shockingly high if we take into account what are the lens’s parameters. On the other hand, for Canon 17-55 mm the value was just -2.4%.
With the longer focal length the geometric distortion problem for the frame border is becoming rather small. For 30 mm, we have a pincushion distortion of 1.06%; it stays the same for 55 mm within the margin of error.
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