JP2006003427A - 焦点検出装置及び撮影装置 - Google Patents

焦点検出装置及び撮影装置 Download PDF

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Publication number
JP2006003427A
JP2006003427A JP2004177182A JP2004177182A JP2006003427A JP 2006003427 A JP2006003427 A JP 2006003427A JP 2004177182 A JP2004177182 A JP 2004177182A JP 2004177182 A JP2004177182 A JP 2004177182A JP 2006003427 A JP2006003427 A JP 2006003427A
Authority
JP
Japan
Prior art keywords
optical
focus detection
optical system
image
photographing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2004177182A
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English (en)
Japanese (ja)
Other versions
JP2006003427A5 (enExample
Inventor
Akira Yamazaki
亮 山▲崎▼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2004177182A priority Critical patent/JP2006003427A/ja
Priority to US11/152,457 priority patent/US7577348B2/en
Publication of JP2006003427A publication Critical patent/JP2006003427A/ja
Publication of JP2006003427A5 publication Critical patent/JP2006003427A5/ja
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
    • G02B7/365—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals by analysis of the spatial frequency components of the image
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/32—Means for focusing

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
JP2004177182A 2004-06-15 2004-06-15 焦点検出装置及び撮影装置 Pending JP2006003427A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004177182A JP2006003427A (ja) 2004-06-15 2004-06-15 焦点検出装置及び撮影装置
US11/152,457 US7577348B2 (en) 2004-06-15 2005-06-14 Focus detection apparatus and optical apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004177182A JP2006003427A (ja) 2004-06-15 2004-06-15 焦点検出装置及び撮影装置

Publications (2)

Publication Number Publication Date
JP2006003427A true JP2006003427A (ja) 2006-01-05
JP2006003427A5 JP2006003427A5 (enExample) 2007-07-26

Family

ID=35460652

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004177182A Pending JP2006003427A (ja) 2004-06-15 2004-06-15 焦点検出装置及び撮影装置

Country Status (2)

Country Link
US (1) US7577348B2 (enExample)
JP (1) JP2006003427A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020044835A1 (ja) * 2018-08-30 2020-03-05 ソニー株式会社 信号処理装置、信号処理方法、信号処理プログラムおよび撮像装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4608436B2 (ja) * 2006-01-05 2011-01-12 オリンパス株式会社 画像撮影装置
US12001005B2 (en) * 2019-09-20 2024-06-04 Zumax Medical Co., Ltd. Optical adapter for microscope and method for adjusting direction of optical image

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62156609A (ja) * 1985-12-27 1987-07-11 Minolta Camera Co Ltd 焦点検出用光学系
JP2000089100A (ja) * 1998-09-11 2000-03-31 Canon Inc 焦点検出装置
JP2001208962A (ja) * 2000-01-27 2001-08-03 Nikon Corp 焦点検出装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5262819A (en) * 1989-07-07 1993-11-16 Canon Kabushiki Kaisha Compact focus detecting device suitable for incorporation into an optical apparatus
US5237167A (en) * 1991-12-18 1993-08-17 Eastman Kodak Company Autofocussing system having anamorphic optics
US5400093A (en) * 1992-12-28 1995-03-21 U.S. Philips Corporation Image projection system with autofocusing
US5839001A (en) * 1995-12-28 1998-11-17 Canon Kabushiki Kaisha Focus detecting apparatus
JP4643773B2 (ja) * 1996-12-17 2011-03-02 テセラ・テクノロジーズ・ハンガリー・ケイエフティー 電子ズーム画像入力方式
US6272291B2 (en) * 1998-03-13 2001-08-07 Canon Kabushiki Kaisha Focus detecting device
US6643460B2 (en) * 2000-01-27 2003-11-04 Nikon Corporation Camera and focal point detection apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62156609A (ja) * 1985-12-27 1987-07-11 Minolta Camera Co Ltd 焦点検出用光学系
JP2000089100A (ja) * 1998-09-11 2000-03-31 Canon Inc 焦点検出装置
JP2001208962A (ja) * 2000-01-27 2001-08-03 Nikon Corp 焦点検出装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020044835A1 (ja) * 2018-08-30 2020-03-05 ソニー株式会社 信号処理装置、信号処理方法、信号処理プログラムおよび撮像装置
JPWO2020044835A1 (ja) * 2018-08-30 2021-08-26 ソニーグループ株式会社 信号処理装置、信号処理方法、信号処理プログラムおよび撮像装置
US11792534B2 (en) 2018-08-30 2023-10-17 Sony Corporation Signal processing device, signal processing method, and image capture device
JP7415929B2 (ja) 2018-08-30 2024-01-17 ソニーグループ株式会社 信号処理装置、信号処理方法、信号処理プログラムおよび撮像装置

Also Published As

Publication number Publication date
US7577348B2 (en) 2009-08-18
US20050276593A1 (en) 2005-12-15

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