Reviews and Problems with Sigma APO MACRO 150mm F2.8 EX DG HSM
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Sigma 150mm f/2.8 EX IF HSM Macro
14 May 2010
Summary: As you can see from the picture above, this lens is capable of superb results and even performs well enough at maximum aperture to double as a long portrait lens if shallow depth of field and compression of perspective is required.
Pros: Good resolution, Low levels of chromatic aberrations, Fast AF, Great build quality, Internal focus design, Price
Cons: Loss of contrast when shooting into the light