LensTip.com

Lens review

Pentax smc FA 35 mm f/2 AL

20 July 2010
Arkadiusz Olech

5. Chromatic aberration

What’s interesting, for all the 2/35 lenses, tested so far by us, the chromatic aberration graph looks very much alike. It reaches a minimum at the maximum aperture, being virtually imperceptible there. Then it increases quickly up to f/5.6 aperture and then it becomes flat.

Pentax smc FA 35 mm f/2 AL - Chromatic aberration

The Pentax differs a bit from its competitors, though. In the case of the Nikkor the aberration increases a tad slower and reaches near 0.1%. In the case of the Canon it is even better because the aberration is just 0.09% at most. The Pentax has the highest aberration of all because sometimes it exceeds 0.11%. Once again we must state, though, that it is still not a serious reason to worry. The level of 0.11% is still considered as medium and to notice it in the photos you must deal with really exceptional circumstances.


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Pentax smc FA 35 mm f/2 AL - Chromatic aberration