Patent ID: 9247124
Filing Date: 2016-01-26
CPC Classification: G02B,H04N

Claim Text:
1. An imaging apparatus, comprising: an imaging device which has an imaging plane and which is configured to generate an image signal from light that is incident on the imaging plane; a lens optical system including a focus lens for condensing light toward the imaging device; a driving section configured to drive one of the imaging device and the focus lens so as to change a position to which a focus is adjusted on an object side; a shutter provided at at least one of the imaging device or a position between the lens optical system and the imaging device; and a control unit configured to control the shutter and the driving section, wherein the control unit drives the imaging device or the focus lens such that a focus is adjusted to each of first, second and third focusing positions of different object distances and controls the shutter and the driving section such that image signals of first, second and third object images at the first, second and third focusing positions are obtained by the imaging device, the first focusing position is present between the second focusing position and the third focusing position, and the control unit controls the shutter and the driving section such that the first object image is photographed in every other frame, and the second object image and the third object image are alternately photographed in every other frame.