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Sigma 8-16 mm f/4.5-5.6 DC HSM

25 May 2010
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Arkadiusz Olech

5. Chromatic aberration

The new Sigma 8-16 mm is simply larded with low dispersion elements. We deal here with as many as four FLD glass elements, which are supposed to have similar properties as the famous and expensive fluorite, and one SLD glass element as well. How do they fare fighting chromatic aberration? Let’s look at the graph below.

Sigma 8-16 mm f/4.5-5.6 DC HSM - Chromatic aberration

We find nothing exceptional here. At the shortest focal length we see even many problems because the lateral chromatic aberration is visible there at all apertures. Its level is simply high.


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The situation gets better at longer end. At 12 mm the aberration’s level is medium and at 16 mm it even brushes against low level.


Sigma 8-16 mm f/4.5-5.6 DC HSM - Chromatic aberration



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