Nikon Nikkor AF-S DX 18-300 mm f/3.5-5.6G ED VR review - Coma, astigmatism and bokeh

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Nikon Nikkor AF-S DX 18-300 mm f/3.5-5.6G ED VR

20 January 2015

Arkadiusz Olech

7. Coma, astigmatism and bokeh

The coma is bothersome only at the shortest focal length but even there it would be difficult to call its level really high. After increasing the focal length that aberration becomes slight and stops disturbing you at all.

Nikon Nikkor AF-S DX 18-300 mm f/3.5-5.6G ED VR - Coma, astigmatism and bokeh

The tested Nikkor doesn’t have any astigmatism-related problems either. An average difference between horizontal and vertical MTF50 function values amounted to 4.1% and we consider it low.

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Defocused light circles are typical for a megazoom. Even light spread is out of question as you see a very distinct and annoying rim on the edge. Still the lens should be praised for small image deformations in the frame corners.