Sigma 16-28 DG DN DG f/2.8 Review - Battle of the Budget Wide Angle Zooms for Sony
Sigma has just released the Sigma 16-28mm f/2.8 DG DN Contemporary Lens for Sony and Leica L mount systems. I test the lens in Olympic NP and compare it to the Tamron 17-28 f/2.8 lens for Sony.
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