Sigma has officially announced four new lenses: Sigma 135mm F1.8 DG HSM | Art, Sigma 14mm F1.8 DG HSM | Art, Sigma 24-70mm F2.8 DG OS HSM | Art and Sigma 100-400mm F5-6.3 DG OS HSM | Contemporary lens. Sigma currently didn’t announce the price and… Read moreSigma 135mm F1.8 Art, 14mm F1.8 Art, 24-70mm F2.8 Art and 100-400mm F5-6.3 C Lenses Officially Announced