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Canon EF 100-400 mm f/4.5-5.6 L IS USM

29 December 2009
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Arkadiusz Olech

7. Coma and astigmatism



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The coma influence on the circular diode image is minimal so, when it comes to this aberration, the Canon 100-400 mm corrects it in a definitely satisfying way.

Canon EF 100-400 mm f/4.5-5.6 L IS USM - Coma and astigmatism

The same situation was observed in the case of astigmatism, which value reached 4.7%.



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