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Lens review

Sigma 300 mm f/2.8 EX DG HSM APO

29 January 2010
Szymon Starczewski

5. Chromatic aberration

Chromatic aberration is slight only near the maximum relative aperture. Unfortunately on stopping down the value of this aberration increases, becoming medium very quickly, and by f/32 it even nears the high level.

Sigma 300 mm f/2.8 EX DG HSM APO - Chromatic aberration

After attaching the converter the problem becomes more pronounced. The aberration is medium by f/4.0- f/8.0 and it increases to high for bigger aperture values.

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Sigma 300 mm f/2.8 EX DG HSM APO - Chromatic aberration