An imaging device includes an imaging unit configured take a plurality of images, the imaging unit including a plurality of imaging parts each configured to acquire an imaging data item relevant to one of the plurality of images taken, and a wiring part configured to transmit a plurality of the imaging data items acquired by the plurality of imaging parts. The wiring part includes an external part forming an outline of the wiring part, and a cable part disposed inside the external part. The plurality of imaging parts are disposed along a longitudinal direction of the wiring part, and the imaging unit is configured to acquire the plurality of the imaging data items corresponding to a plurality of imaging positions, and transmit the plurality of the imaging data items by using the cable part.