LensTip.com

Lens review

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

3 March 2016
Arkadiusz Olech

7. Coma, astigmatism and bokeh

Coma is undoubtedly a category where the new lens defeated its predecessor with ease. Small wonder - the tested device fares here exceedingly well. The influence of the coma might be visible the most in the middle of the focal range but even there it should be considered moderate only. Still in order to be honest you have to add that the Nikkor loses slightly its duel with the Canon EF 24–70 mm f/2.8L II USM which performed very well at all focal lengths. As you see, there is still small room for improvement.

Center, 24 mm, f/2.8 Corner APS-C, 24 mm, f/2.8 Corner FF, 24 mm, f/2.8
Nikon Nikkor AF-S 24-70 mm f/2.8E ED VR - Coma, astigmatism and bokeh Nikon Nikkor AF-S 24-70 mm f/2.8E ED VR - Coma, astigmatism and bokeh Nikon Nikkor AF-S 24-70 mm f/2.8E ED VR - Coma, astigmatism and bokeh
Center, 45 mm, f/2.8 Corner APS-C, 45 mm, f/2.8 Corner FF, 45 mm, f/2.8
Nikon Nikkor AF-S 24-70 mm f/2.8E ED VR - Coma, astigmatism and bokeh Nikon Nikkor AF-S 24-70 mm f/2.8E ED VR - Coma, astigmatism and bokeh Nikon Nikkor AF-S 24-70 mm f/2.8E ED VR - Coma, astigmatism and bokeh
Center, 70 mm, f/2.8 Corner APS-C, 70 mm, f/2.8 Corner FF, 70 mm, f/2.8
Nikon Nikkor AF-S 24-70 mm f/2.8E ED VR - Coma, astigmatism and bokeh Nikon Nikkor AF-S 24-70 mm f/2.8E ED VR - Coma, astigmatism and bokeh Nikon Nikkor AF-S 24-70 mm f/2.8E ED VR - Coma, astigmatism and bokeh


The astigmatism, understood as an average difference between horizontal and vertical MTF50 function values, amounted to 6.8%. It is a slight value which shouldn’t worry you at all. Still from a top-of-the-range lens we would expect a result lower than 5%. By the way if you split that average value into particular focal lengths you’ll find out that the maximum focal length is the weakest of all as its astigmatism level reaches 11% - it is already a medium level.


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The blurry areas the Nikkor AF-S 24–70 mm VR provides are pleasing to the eye. Looking at the out-of-focus circles of light you might notice two slightly disturbing things. First - a lighter rim at the edge of the circle; second - a trace of ‘onion ring’ bokeh. You can also complain a bit about the distinct truncation of the circle in the very corner of the frame, visible even by f/5.6. That last problem, though, doesn’t influence the blurry areas in a significant way; still it is important when it comes to the vignetting.

Center, 70 mm, f/2.8 Corner APS-C, 70 mm, f/2.8 Corner FF, 70 mm, f/2.8
Nikon Nikkor AF-S 24-70 mm f/2.8E ED VR - Coma, astigmatism and bokeh Nikon Nikkor AF-S 24-70 mm f/2.8E ED VR - Coma, astigmatism and bokeh Nikon Nikkor AF-S 24-70 mm f/2.8E ED VR - Coma, astigmatism and bokeh
Center, 70 mm, f/4.0 Corner APS-C, 70 mm, f/4.0 Corner FF, 70 mm, f/4.0
Nikon Nikkor AF-S 24-70 mm f/2.8E ED VR - Coma, astigmatism and bokeh Nikon Nikkor AF-S 24-70 mm f/2.8E ED VR - Coma, astigmatism and bokeh Nikon Nikkor AF-S 24-70 mm f/2.8E ED VR - Coma, astigmatism and bokeh
Center, 70 mm, f/5.6 Corner APS-C, 70 mm, f/5.6 Corner FF, 70 mm, f/5.6
Nikon Nikkor AF-S 24-70 mm f/2.8E ED VR - Coma, astigmatism and bokeh Nikon Nikkor AF-S 24-70 mm f/2.8E ED VR - Coma, astigmatism and bokeh Nikon Nikkor AF-S 24-70 mm f/2.8E ED VR - Coma, astigmatism and bokeh