Patent ID: 7408585

Claim:
An image capturing apparatus comprising: generating means for generating an instruction to emit irradiation as a function of an input; emitting means for emitting an irradiation wave for irradiation to a subject while changing an emitting angle of said irradiation wave; detecting means for detecting an incident angle of a reflected wave of said irradiation wave reflected by said subject, incident on light receiving means positioned corresponding to said emitting means; determining means for determining based on said emitting angle and said incident angle whether or not said subject is a subject for which the focus should be adjusted; and adjusting means for adjusting the focus on said subject when determining that said subject is the subject for which the focus should be adjusted, wherein said determining means comprises a storage means for storing sampling data of said emitting angle and said incident angle, and wherein said determining means comprises a storage means for storing correspondence data of said emitting angle and said corresponding incident angle.