The image processing device includes an image acquisition section, a distance information acquisition section, a known characteristic information acquisition section that acquires known characteristic information that is information that represents known characteristics relating to an object, and an enhancement processing section that performs an enhancement process that corresponds to distance information. The enhancement processing section performs a first enhancement process as the enhancement process on a concave-convex part of the object that agrees with the characteristics represented by the known characteristic information when the enhancement processing section has determined that an observation state is a screening observation state, and performs a second enhancement process as the enhancement process on the concave-convex part of the object that agrees with the characteristics represented by the known characteristic information when the enhancement processing section has determined that the observation state is a zoom observation state.
