Nikon Nikkor AF-S DX 16-80 mm f/2.8-4E ED VR
5. Chromatic and spherical aberration
Chromatic aberration
The tested lens corrects the longitudinal chromatic aberration very well. You really have to take a closer look at defocused images to notice a very slight cast.
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The lateral chromatic aberration is another matter as the graph below shows pretty clearly.
The biggest amount of problems you encounter at the maximum focal length where, on stopping down of the aperture, you see values of near 0.12% which are, according to our scale, in the upper part of the medium level. At 16 mm there are medium values of that aberration as well. In the middle of the range the aberration is the lowest and keeps a low level.
However the summary of this chapter should be only positive, especially if you take into account the fact that this lens’s parameters are difficult to correct. Low or medium problems with both longitudinal and lateral chromatic aberration mean it won’t seriously bother you anywhere.
| Nikon D7000, RAW, 50 mm, f/3.5 | Nikon D7000, RAW, 80 mm, f/11.0 |
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Spherical aberration
First photos of this chapter show clearly that the lens doesn’t have any problems with the focus shift. Circles of light we got in front of and behind the focus are perhaps not identical but also devoid of really alarming features. It allows us to say the Nikkor 16-80 mm doesn’t have any visible problems with the correction of spherical aberration.
| Nikon D7000, 80 mm, f/4.0, in front of | Nikon D7000, 80 mm, f/4.0, behind |
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