Sigma announces SD Quattro and SD Quattro H Foveon mirrorless cameras

Sigma has announced two mirrorless ILCs: the Sigma SD Quattro and the SD Quattro H. Both cameras use the company's full-depth SA lens mount as used in its SLRs, and are built around APS-C and APS-H sized sensors, respectively. Both use the company's Foveon technology that captures different color information at different depths in the sensor. Both cameras feature on-sensor phase detection as part of a hybrid AF system, which should mean they work effectively with existing SA-mount lenses. Press ...