Title:
焦点調節装置およびその制御方法、撮像装置、プログラム、記憶媒体
Document Type and Number:
Japanese Patent JP6702765
Kind Code:
B2
Abstract:
A focusing apparatus includes an acquisition unit configured to acquire locus data that indicates a position of a focus lens that depends on an object distance and a position of a zoom lens, and an adjustment value used to adjust the position of the focus lens on the locus data, a correction unit configured to correct the adjustment value based on an aberration of an optical system that includes the zoom lens and the focus lens, and a control unit configured to control the position of the focus lens based on the locus data and the corrected adjustment value.
Inventors:
Masaki Kamiwa
Application Number:
JP2016046528A
Publication Date:
June 03, 2020
Filing Date:
March 10, 2016
Export Citation:
Assignee:
Canon Inc
International Classes:
G02B7/08; G02B7/28; G03B3/10; G03B11/00; H04N5/225; H04N5/232; H04N5/238
Domestic Patent References:
| JP2013242353A | ||||
| JP9311265A | ||||
| JP11305107A | ||||
| JP2006330272A | ||||
| JP6121212A |
Attorney, Agent or Firm:
Ryosuke Fujimoto
Atsushi Mizumoto
Hirayama Tomoya
Atsushi Mizumoto
Hirayama Tomoya