Patent ID: 9451153
Filing Date: 2016-09-20
CPC Classification: G02B,H04N

Claim Text:
1. A focus adjusting apparatus that controls movement of a focus lens movable in an optical axis direction and included in a photographing optical system that forms an image from light from a photographic subject, the focus adjusting apparatus comprising: an imager that generates an image signal by imaging a photographic-subject image formed by the photographing optical system; a lens driving unit that moves the focus lens; and a controlling unit that causes the lens driving unit to move the focus lens, that causes the imager to perform an imaging operation, that performs a scan operation so as to detect, on the basis of the image signal output by the imager, a position where the focus lens is to be located to cause a contrast of the photographic-subject image to reach a peak, and that controls locating of the focus lens at a position where the focus lens is in focus, wherein the controlling unit includes