An imaging device comprising (1) a fiber optic plate formed by bundling a plurality of optical fibers each having a core and a clad covering the outer periphery of the core, and having a light incident surface and light outgoing surface that are inclined to the optical axes of optical fibers, (2) a plurality of columnar crystal elements formed on the light outgoing surface of the fiber optic plate and having a translucency, and (3) a photoelectric conversion unit two−dimensionally arranged and formed on the main surface of a semiconductor substrate, a solid imaging element optically coupled with the plurality of columnar crystal elements being provided.
