A solid-state image pickup device comprising: a first pixel including: a first photoelectric conversion section configured to generate first charge according to irradiated light, a first charge holding section coupled to the first photoelectric conversion section via a first transfer transistor, and a first switch transistor configured to couple the first charge holding section to a second charge holding section; a second pixel including: a second photoelectric conversion section configured to generate second charge according to irradiated light, a third charge holding section coupled to the second photoelectric conversion section via a second transfer transistor, and a second switch transistor configured to couple the third charge holding section to a fourth charge holding section; a pixel connection circuit coupled between the second charge holding section and the fourth charge holding section to thereby allow each of the second and fourth charge holding sections to hold the first charge or the second charge, or both the first charge and the second charge, wherein the pixel connection circuit includes a first electrode connected to an electrode of the first switch transistor through a first wiring, and wherein the pixel connection circuit includes a second electrode connected to an electrode of the second switch transistor through a second wiring; and a pixel reset section configured to discharge and reset at least the second or fourth charge holding sections (117, 127) when the pixel connection circuit electrically connects the second and fourth charge holding sections (117, 127) to one another. a first pixel including: a first photoelectric conversion section configured to generate first charge according to irradiated light, a first charge holding section coupled to the first photoelectric conversion section via a first transfer transistor, and a first switch transistor configured to couple the first charge holding section to a second charge holding section; a first photoelectric conversion section configured to generate first charge according to irradiated light, a first charge holding section coupled to the first photoelectric conversion section via a first transfer transistor, and a first switch transistor configured to couple the first charge holding section to a second charge holding section; a second pixel including: a second photoelectric conversion section configured to generate second charge according to irradiated light, a third charge holding section coupled to the second photoelectric conversion section via a second transfer transistor, and a second photoelectric conversion section configured to generate second charge according to irradiated light, a third charge holding section coupled to the second photoelectric conversion section via a second transfer transistor, and a second switch transistor configured to couple the third charge holding section to a fourth charge holding section; a pixel connection circuit coupled between the second charge holding section and the fourth charge holding section to thereby allow each of the second and fourth charge holding sections to hold the first charge or the second charge, or both the first charge and the second charge, wherein the pixel connection circuit includes a first electrode connected to an electrode of the first switch transistor through a first wiring, and wherein the pixel connection circuit includes a second electrode connected to an electrode of the second switch transistor through a second wiring; and wherein the pixel connection circuit includes a first electrode connected to an electrode of the first switch transistor through a first wiring, and wherein the pixel connection circuit includes a second electrode connected to an electrode of the second switch transistor through a second wiring; and a pixel reset section configured to discharge and reset at least the second or fourth charge holding sections (117, 127) when the pixel connection circuit electrically connects the second and fourth charge holding sections (117, 127) to one another.