Cloud PRWire Announcing the SIGMA 15mm F1.4 DG DN DIAGONAL FISHEYE | Art and SIGMA 500mm F5.6 DG DN OS | Sports Lenses February 21, 2024 by Cloud PR Wire –News Direct– SIGMA Corporation of America, the US subsidiary of SIGMA Corporation (CEO: Kazuto Yamaki. Headquarters: Asao-ku, Kawasaki-shi, Kanagawa, Japan) is pleased to announce two new full-frame prime lenses designed… Continue Reading