LensTip.com

Lens review

Canon EF 135 mm f/2L USM

3 October 2011
Arkadiusz Olech

6. Distortion

The distortion is not an aberration we should worry about. On the small sensor of the Canon 50D it is completely unnoticeable because its level we determined as 0.25% so within the limits of 3-sigma, overlapping the zero level. Some chances to notice distortion we get only on full frame because there we deal with slight “pincushion” amounting to 0.84%. Still it is not a level which can cause any problems.

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Canon 50D
Canon EF 135 mm f/2L USM - Distortion
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Canon EF 135 mm f/2L USM - Distortion