A solid-state image-capture element comprising: a pair of a first phase difference detection pixel, which receives one of a pair of light beams passing through iris regions of different positions of an imaging optical system, and a second phase difference detection pixel, which receives the other of the pair of light beams, wherein the first phase difference detection pixel and the second phase difference detection pixel configuring the pair are arranged in a direction intersecting with a phase difference detection direction, wherein the pair comprises at least one or a plurality of a first pair and a second pair, respectively, in which a positional relation of the first phase difference detection pixel and the second phase difference detection pixel is reverse to each other, and wherein the first pair and the second pair are arranged in the phase difference detection direction; wherein at least one first phase difference detection area in which a first line on which the first phase difference detection pixel and the second phase difference detection pixel are alternately arranged in the phase difference detection direction and a second line on which the first phase difference detection pixel and the second phase difference detection pixel are alternately arranged in the phase difference detection direction, wherein the first line and the second line are arranged in the direction orthogonal to the phase difference detection direction, wherein in the first phase difference detection area, the second phase difference detection pixel (51 L) included on the second line is located in the direction intersecting with the phase difference detection direction as regards the first phase difference detection pixel included on the first line and the first phase difference detection pixel included on the second line is located in the intersecting direction as regards the second phase difference detection pixel included on the first line, wherein the first pair is configured by the first phase difference detection pixel on the first line in the first phase difference detection area and the second phase difference detection pixel on the second line located in the intersecting direction as regards the first phase difference detection pixel, and wherein the second pair is configured by the second phase difference detection pixel on the first line in the first phase difference detection area and the first phase difference detection pixel on the second line located in the intersecting direction as regards the second phase difference detection pixel. a pair of a first phase difference detection pixel, which receives one of a pair of light beams passing through iris regions of different positions of an imaging optical system, and a second phase difference detection pixel, which receives the other of the pair of light beams, wherein the first phase difference detection pixel and the second phase difference detection pixel configuring the pair are arranged in a direction intersecting with a phase difference detection direction, wherein the pair comprises at least one or a plurality of a first pair and a second pair, respectively, in which a positional relation of the first phase difference detection pixel and the second phase difference detection pixel is reverse to each other, and wherein the first pair and the second pair are arranged in the phase difference detection direction; wherein at least one first phase difference detection area in which a first line on which the first phase difference detection pixel and the second phase difference detection pixel are alternately arranged in the phase difference detection direction and a second line on which the first phase difference detection pixel and the second phase difference detection pixel are alternately arranged in the phase difference detection direction, wherein the first line and the second line are arranged in the direction orthogonal to the phase difference detection direction, wherein in the first phase difference detection area, the second phase difference detection pixel (51 L) included on the second line is located in the direction intersecting with the phase difference detection direction as regards the first phase difference detection pixel included on the first line and the first phase difference detection pixel included on the second line is located in the intersecting direction as regards the second phase difference detection pixel included on the first line, wherein the first pair is configured by the first phase difference detection pixel on the first line in the first phase difference detection area and the second phase difference detection pixel on the second line located in the intersecting direction as regards the first phase difference detection pixel, and wherein the second pair is configured by the second phase difference detection pixel on the first line in the first phase difference detection area and the first phase difference detection pixel on the second line located in the intersecting direction as regards the second phase difference detection pixel.