Paul Carroll has just posted a full review of the new released Sigma 12-24mm f/4 DG HSM Art lens (Amazon/ B&H/ Adorama/ eBay) at the DxOMark. With an overall DxOMark score of 25 points tested on Nikon D800, this new lens ranks the… Read moreSigma 12-24mm f/4 DG HSM Art (Nikon) Lens Review (DxOMark)