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Lens review

Canon EF-S 10-22 mm f/3.5-4.5 USM

23 September 2007
Arkadiusz Olech

5. Chromatic aberration

The very wide angle lenses, where the light rays fall at a several dozen degree angle to the optic axis, often have a diagonal chromatic aberration. Therefore, no wonder that Canon used the UD glass in the EF-Sa 10-22 mm construction. The chart below, however, shows us that using just one UD glass is not enough.

Canon EF-S 10-22 mm f/3.5-4.5 USM - Chromatic aberration


The chromatic aberration is clear, the biggest for a wide angle and at an acceptable level for 22 mm. Only for 10 mm and when stopping down the lens, does the aberration seem to decrease. For other focal lengths, chromatic aberration does not depend on the aperture used.


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In summation, the Canon test results are at best, average, which should not be the case for a lens with a price of 689$.

Canon EF-S 10-22 mm f/3.5-4.5 USM - Chromatic aberration