Title:
カメラシステム
Document Type and Number:
Japanese Patent JP6516443
Kind Code:
B2
Abstract:
A shooting apparatus comprising: a photographing optical system having a variable aperture diaphragm; an imaging section that outputs an image signal; a diaphragm position detection section that detects a diaphragm position; a lens control section that controls movement of a focus lens; a storage section that stores an amount of focal shift corresponding to the diaphragm position; a focus detection section that detects a peak of a contrast value based on the image signal, wherein the lens control section, while moving the focus lens to a focusing position based on a position at which the contrast value indicates the peak, corrects a position of the focus lens to be moved, on the basis of a diaphragm position when the position at which the contrast value indicates the peak is detected, a diaphragm position while moving the focus lens, and the amount of focal shift stored in the storage section.
Inventors:
Joe Taguchi
Application Number:
JP2014227944A
Publication Date:
May 22, 2019
Filing Date:
November 10, 2014
Export Citation:
Assignee:
Olympus Endo Technology America Inc.
International Classes:
G02B7/28; G02B7/36; G03B13/36; H04N5/232
Domestic Patent References:
| JP2006113293A | ||||
| JP2011130031A | ||||
| JP2013229738A | ||||
| JP2013098779A | ||||
| JP2014085406A | ||||
| JP2003241078A | ||||
| JP2013061665A |
Foreign References:
| US20110164865 |
Attorney, Agent or Firm:
Kobayashi discretion