Nikon Nikkor AF-S Micro 60 mm f/2.8G ED
7. Coma and astigmatism
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The coma is corrected very well. In the corner of the DX sensor you can’t notice its influence at all. It starts being noticeable in the corner of full frame but even there it is low and, what’s important, it disappears completely on slight stopping down. It is a distinct improvement compared to the performance of the predecessor which, even in the DX sensor corner, had the coma on a noticeable level.
The astigmatism can be described in similar terms as the level of this aberration is negligible. The average difference between horizontal and vertical MTF50 function values amounted to just 2%. The result is once again slightly better than in the case of the AF Micro 60 MM F/2.8D model.
