Sigma 30mm F1.4 DC DN Contemporary Lens Review (DxOMark)
Paul Carroll has just posted a full review of the new released Sigma 30mm f/1.4 DC DN Contemporary lens at the DxOMark.com. This new lens achieves its best overall DxOMark score of 24 points on the Olympus OM-D E-M1 and 19 points on the Panasonic GX7.