1. An imaging apparatus comprising: receiving means for receiving selection input for an imaging mode, the imaging mode comprising a normal imaging mode, and a simple imaging mode; discriminating means for determining the imaging mode that has been selected on the basis of the received selection input; receiving means for receiving selection input for an auto focus mode comprising a normal mode, a macro mode, and an automacro mode when the normal imaging mode is selected; and scanning controlling means for causing the imaging apparatus to execute scanning processing for determining a position of a subject to set focus on the subject, by scanning in a maximum range from a near scene to a distant scene when the simple imaging mode is selected.