An image acquisition device according to an embodiment includes: a body; a seat part provided on a lower part of the body; a substrate disposed on the seat part inside the body and having a plurality of light sources; and a light source angle forming part disposed on the substrate inside the body. The substrate may be provided on the seat part in the form of a planar plate, and an outer peripheral portion of the substrate may be bent so that the light sources are directed toward one focal point by the seat part and the light source angle forming part.