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Lens review

Canon EF 70-300 mm f/4-5.6 IS USM

23 September 2007
Robert Olech

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.

Canon EF 70-300 mm f/4-5.6 IS USM - Coma and astigmatism

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.