Nikon Nikkor AF-S 24-70 mm f/2.8G ED review - Distortion

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Nikon Nikkor AF-S 24-70 mm f/2.8G ED

2 April 2011

Arkadiusz Olech

6. Distortion

Let’s remind here that on a small sensor, at the beginning in the middle and at the end of the focal lengths range the Canon had the distortion level of: −1.72%, −0.1% and 0.69% respectively and the Zeiss that of −2.14%, −0.13% and 0.38% respectively. As you see the standards are set very high because these values are not especially bothersome even at the widest angle. However the Nikkor doesn’t have the slightest problems with exceeding these standards and at the widest angle it reaches the best result of all. The values, measured by us are: −1.46%, 0.57% and 0.32% respectively.

Nikon Nikkor AF-S 24-70 mm f/2.8G ED - Distortion

On full frame the problems with distortion become more pronounced. It would be foolish to expect anything else, though. We deal here with a zoom lens with the angle of view as wide as 84 degrees. You can’t avoid geometric deformations in such an instrument. Our measurements showed that at the shortest focal length we get barrel distortion amounting to –3.94%. Although in the absolute scale this value is not low we must say that for such an angle of view and a zoom lens reaching a value above –4% is a good result. In the middle of the focal range the distortion turns into pincushion and gets to 1.58% and at the maximum focal length it decreases to 0.72%.

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