Title:
IMAGING DEVICE AND FOCUSING CONTROL METHOD FOR SAME
Document Type and Number:
WIPO Patent Application WO/2016/038936
Kind Code:
A1
Abstract:
In the present invention, a phase-difference AF processing unit of a digital camera provided with an imaging element including a pair of phase-difference detection pixels for capturing an image of a subject through a lens device including an APD filter calculates a parameter relating to the ratio of the phase difference between detection signals detected by each of the phase difference detection pixels and a defocus amount on the basis of the incidence angle range of light incident on the pair of phase-difference detection pixels through the lens device, the transmittance in a region of the APD filter through which light in the incidence angle range passes, and the light sensitivity distribution of light sensitivity for each incidence angle of light on each of the phase-difference detection pixels, and calculates a defocus amount using the parameter and the phase difference.
Inventors:
AOKI TAKASHI (JP)
Application Number:
PCT/JP2015/063794
Publication Date:
March 17, 2016
Filing Date:
May 13, 2015
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
G02B7/34; G02B7/28; G03B11/00; G03B13/36; H04N5/232
Domestic Patent References:
| WO2013047111A1 | 2013-04-04 |
Foreign References:
| JPH10268382A | 1998-10-09 | |||
| JP2005062732A | 2005-03-10 | |||
| JP2014063100A | 2014-04-10 | |||
| JPH11249005A | 1999-09-17 | |||
| JP2003241075A | 2003-08-27 |
Attorney, Agent or Firm:
TAKAMATSU Takeshi et al. (JP)
Takamatsu 猛 (JP)
Takamatsu 猛 (JP)
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