Canon EF 8-15 mm f/4 L Fisheye USM review - Chromatic aberration

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Canon EF 8-15 mm f/4 L Fisheye USM

11 August 2011

Arkadiusz Olech

5. Chromatic aberration

The combination of short focal lengths and f/4.0 aperture makes problems with longitudinal chromatic aberration highly unlikely. The photos of our autofocus testing chart, presented in chapter 10, show that there are indeed no such problems.

Graphs, presented below, show the performance of the lens concerning the lateral chromatic aberration on both sensors, used in our tests.

Canon EF 8-15 mm f/4 L Fisheye USM - Chromatic aberration

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The aberration level is medium, momentarily approaching high. The tested lens doesn’t deserve to be praised here but, on the other hand, such a level is still much lower than that of the Tokina 10-17 mm or the Sigma 4.5 mm and comparable to that of the Sigma 10 mm. Overall the Canon compares quite well to its rivals in this category.