Sigma 70mm F/2.8 DG Macro Art Lens Review (DPReview)
Sigma 70mm F/2.8 DG Macro Art at a glance: EF-Mount Lens/Full-Frame FormatAperture Range: f/2.8 to f/22Two FLD Elements, Two SLD ElementsLow Dispersion and Aspherical ElementsSuper Multi-Layer Coating1:1 Magnification, 10.2" Min.…