Nikon Nikkor Z 50 mm f/1.8 S
5. Chromatic and spherical aberration
Chromatic aberration
Many fast Nikkors have experienced some problems with longitudinal chromatic aberration but – what's interesting – that problem didn't concern the cheap Nikkor AF-S 50 mm f/1.8G. The new Nikkor Z 50 mm f/1.8 S follows that good example because, in its case, colouring of out-of-focus images might be called negligible. It's worth mentioning that in this category the tested lens wins the duel with the Sony Carl Zeiss Sonnar T* FE 55 mm f/1.8 ZA hands down. |
The situation with lateral chromatic aberration looks even better – the performance of the tested lens, depending on the detector and aperture values, presents a graph below.
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The results are simply sensational. A level of 0.01-0.02% can only be called very low and you get it in the majority of cases. Practically it means that even in the most extreme settings you won't be able to notice chromatic aberration in your photos. A round of applause!
| Nikon Z7, RAW, f/1.8 | Nikon Z7, RAW, f/11.0 |
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Spherical aberration
In first photos from this chapter it would be difficult to notice any traces of 'focus shift' effect and defocused circles of light are quite similar, with barely perceivable differences. Both these factors and the fact that the resolution by f/1.8 and f/2.0 remains really high allow us to state that spherical aberration is corrected properly well.
| Nikon Z7, f/1.8, before | Nikon Z7, f/1.8, after |
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