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1. (WO2015115452) FOCAL POINT DETECTION DEVICE, FOCAL POINT ADJUSTMENT DEVICE, AND CAMERA

Pub. No.:    WO/2015/115452    International Application No.:    PCT/JP2015/052282
Publication Date: Fri Aug 07 01:59:59 CEST 2015 International Filing Date: Thu Jan 29 00:59:59 CET 2015
IPC: G02B 7/34
G03B 13/36
H04N 5/232
Applicants: NIKON CORPORATION
株式会社ニコン
Inventors: IWANE, Toru
岩根 透
Title: FOCAL POINT DETECTION DEVICE, FOCAL POINT ADJUSTMENT DEVICE, AND CAMERA
Abstract:
 This focal point detection device is provided with: an image capture unit having a plurality of photoreceptor units for each of microlenses and capturing images produced by light coming from a subject and transmitted through an optical system; and a focal point detection unit for detecting the state of focus of the optical system from misalignment, relative to the microlens, of the position of the image of the subject captured by the image capture unit and formed on each of the microlenses.