Lens review
2007-09-23
Canon EF 70-300 mm f/4-5.6 IS USM
7. Coma and astigmatism
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As showed in the pictures below, there is nothing negative to be said about coma correction. It is small or minuscule even for the wide open aperture.
Even astigmatism, which in this lens is on a small
level of 5.4% cannot spoil the picture quality on the edges of
the frame.
