A solid-state image pickup device includes a pixel unit in which pixels are arranged in a two-dimensional manner, the pixels including a photoelectric conversion element, a charge holding unit, a transmission unit, and a first output unit and a second output unit; a second processing unit; and a control unit configured to control exposure of the pixels such that exposure periods for still images of all pixels constituting an area to be read are equal to one another, and control reading of the still image signal and reading of the moving image signal in units of fields, the all pixels constituting the area to be read being divided into a plurality of fields, in such a manner that the still image signal is to be read from both the first output unit and the second output unit in units of fields.