Sigma 90mm f/2.8 DG DN | Contemporary: B&H Photo / Amazon / Adorama DXO published its full Sigma 90mm F2.8 DG DN | Contemporary review and it should come as no surprise that the lens performs quite well especially when taking price, size, and weight into consideration. You can read the full review here or see the DXO score … Continue reading DXO: Sigma 90mm F2.8 DG DN | Contemporary Reviewed