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Pentax smc DA* 55 mm f/1.4 SDM

13 May 2009
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Arkadiusz Olech

5. Chromatic aberration

The degree of correction of chromatic aberration definitely benefits the new Pentax. With DA* the defect is harmless with maximum aperture range and increases when stopping down. Its maximum level of 0.13% is reached for the range of aperture between f/5.6 and f/22.

Pentax smc DA* 55 mm f/1.4 SDM - Chromatic aberration


It’s worth to add that the way the new Pentax performs puts it forward as a model compared to Zeiss and Sigma which are worse particularly in maximum aperture range.


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Pentax smc DA* 55 mm f/1.4 SDM - Chromatic aberration



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