To provide an imaging apparatus capable of surely detecting a relatively large dirt stuck to the surface of an imaging lens.

The imaging apparatus includes: the lens cover 4 for emitting light while being mounted and making the light be uniformly incident on the imaging lens 3; a detection part 17 for detecting the dirt on the imaging lens on the basis of the light made incident through the imaging lens while the lens cover is mounted; and notifying parts 17 and 19 for giving notices on the basis of a detected result by the detection part.