A solid state imaging device comprising: a plurality of pixel regions each including a plurality of photosensitive regions two-dimensionally arrayed in a first direction and a second direction orthogonal to the first direction, the plurality of pixel regions being distributed in the first direction; a plurality of first transfer sections each distributed with a corresponding pixel region of the plurality of pixel regions in the second direction and arranged to transfer a charge generated in the photosensitive region for each of the corresponding pixel regions; and a plurality of second transfer sections each distributed with a corresponding first transfer section of the plurality of first transfer sections in the second direction, arranged to acquire the charge transferred from the corresponding first transfer section, and arranged to transfer the acquired charge in the first direction, wherein each of the first transfer sections includes a first region including a plurality of first transfer column regions distributed in the first direction, and a second region including a plurality of second transfer column regions distributed in the first direction, and positioned downstream of the first region in a charge transfer direction in the second transfer section, lengths in the second direction of the plurality of first transfer column regions are equal, lengths in the second direction of the plurality of second transfer column regions are longer than the length of the first transfer column region, and increase as each of the second transfer column regions is positioned downstream in the charge transfer direction, and each of the second transfer sections includes a third region disposed to correspond to the first region and extending along the first direction, and a fourth region disposed to correspond to the second region and extending along a direction intersecting the first direction and the second direction such that an interval between the fourth region and the pixel region in the second direction increases in the charge transfer direction in response to a change in the lengths of the plurality of second transfer column regions. a plurality of pixel regions each including a plurality of photosensitive regions two-dimensionally arrayed in a first direction and a second direction orthogonal to the first direction, the plurality of pixel regions being distributed in the first direction; a plurality of first transfer sections each distributed with a corresponding pixel region of the plurality of pixel regions in the second direction and arranged to transfer a charge generated in the photosensitive region for each of the corresponding pixel regions; and a plurality of second transfer sections each distributed with a corresponding first transfer section of the plurality of first transfer sections in the second direction, arranged to acquire the charge transferred from the corresponding first transfer section, and arranged to transfer the acquired charge in the first direction, wherein each of the first transfer sections includes a first region including a plurality of first transfer column regions distributed in the first direction, and a second region including a plurality of second transfer column regions distributed in the first direction, and positioned downstream of the first region in a charge transfer direction in the second transfer section, a first region including a plurality of first transfer column regions distributed in the first direction, and a second region including a plurality of second transfer column regions distributed in the first direction, and positioned downstream of the first region in a charge transfer direction in the second transfer section, lengths in the second direction of the plurality of first transfer column regions are equal, lengths in the second direction of the plurality of second transfer column regions are longer than the length of the first transfer column region, and increase as each of the second transfer column regions is positioned downstream in the charge transfer direction, and each of the second transfer sections includes a third region disposed to correspond to the first region and extending along the first direction, and a fourth region disposed to correspond to the second region and extending along a direction intersecting the first direction and the second direction such that an interval between the fourth region and the pixel region in the second direction increases in the charge transfer direction in response to a change in the lengths of the plurality of second transfer column regions. a third region disposed to correspond to the first region and extending along the first direction, and a fourth region disposed to correspond to the second region and extending along a direction intersecting the first direction and the second direction such that an interval between the fourth region and the pixel region in the second direction increases in the charge transfer direction in response to a change in the lengths of the plurality of second transfer column regions.