Patent ID: 9571747
Date: 2017-02-14
CPC Classifications: G03B,H04N

Claim:
1. An illumination apparatus attachable to an imaging apparatus, the illumination apparatus comprising: a light emitting unit; a movable unit, including the light emitting unit, configured to be rotatable relative to a main body unit; an obtaining unit configured to obtain first distance information about a distance to a target in a shooting direction of the imaging apparatus to which the illumination apparatus is attached, and second distance information about a distance to a target in a direction different from the shooting direction; a determination unit configured to determine, based on the first distance information and the second distance information, a lighting direction of the light emitting unit; and a control unit configured to control a position of the movable unit to match a lighting direction of the light emitting unit with the lighting direction determined by the determination unit, wherein the obtaining unit obtains, in a case where a self-timer mode is set in the imaging apparatus to which the illumination apparatus is attached, the first distance information after a lapse of a predetermined time following obtainment of the second distance information.