This lens component (10) is provided with K individual lenses (11) arranged in parallel at a minimum period PL in the Y direction and each having the same configuration extending in the X direction. Each individual lens (11) includes two partial lenses (121, 122), divided within the minimum period PL in the Y direction, and further includes a flat part (13) provided between these partial lenses (121, 122). Each of the partial lenses (121, 122) has an optical axis that is parallel with the Z direction but which is different to that of the other partial lens, and images of the intersections on the body surface are formed at different positions on the image surface A.