Nikon Nikkor AF-P DX 70-300 mm f/4.5-6.3G ED VR review - Coma, astigmatism and bokeh

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Nikon Nikkor AF-P DX 70-300 mm f/4.5-6.3G ED VR

12 August 2018

Arkadiusz Olech

7. Coma, astigmatism and bokeh

Only at the 300 focal length you won’t notice any traces of coma as the image of a diode in the frame corner is exactly the same as in the centre. In the 70-200 mm range you can spot some deformations of the diode but they are not especially distinct; overall the correction of that aberration can be assessed in a positive way.

D500, 70 mm, f/4.5, center	D500, 70 mm, f/4.5, corner

D500, 135 mm, f/4.8, center	D500, 135 mm, f/4.8, corner

D500, 200 mm, f/5.3, center	D500, 200 mm, f/5.3, corner

D500, 300 mm, f/6.3, center	D500, 300 mm, f/6.3, corner

Astigmatism, understood as an average difference between vertical and horizontal MTF50 function values, amounted to 9%. It is a moderate value and the 70 mm focal length contributes the most to it; at that place, near the maximum relative aperture, the aberration was felt most keenly.

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In the photos shown below you see out-of-focus circles of light we got with the help of the tested Nikkor. They look sensibly well; the only thing that might make you a bit worried is a lighter rim on edges of the circles and a noticeable influence of mechanical vignetting.

D500, 135 mm, f/4.8, center	D500, 135 mm, f/4.8, corner

D500, 135 mm, f/6.3, center	D500, 135 mm, f/6.3, corner

D500, 135 mm, f/9.0, center	D500, 135 mm, f/9.0, corner