JP4873729B2 - 光学機器 - Google Patents

光学機器 Download PDF

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Publication number
JP4873729B2
JP4873729B2 JP2007100110A JP2007100110A JP4873729B2 JP 4873729 B2 JP4873729 B2 JP 4873729B2 JP 2007100110 A JP2007100110 A JP 2007100110A JP 2007100110 A JP2007100110 A JP 2007100110A JP 4873729 B2 JP4873729 B2 JP 4873729B2
Authority
JP
Japan
Prior art keywords
area
focus
detection
cpu
detection areas
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.)
Expired - Fee Related
Application number
JP2007100110A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008257004A (ja
JP2008257004A5 (enExample
Inventor
卓朗 朝野
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 JP2007100110A priority Critical patent/JP4873729B2/ja
Priority to EP08006490.0A priority patent/EP1978392B1/en
Priority to US12/060,957 priority patent/US7894716B2/en
Publication of JP2008257004A publication Critical patent/JP2008257004A/ja
Publication of JP2008257004A5 publication Critical patent/JP2008257004A5/ja
Application granted granted Critical
Publication of JP4873729B2 publication Critical patent/JP4873729B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G02B7/102—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens controlled by a microcomputer
    • 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
    • G02B7/282—Autofocusing of zoom lenses
    • 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
    • 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
    • G03B13/34—Power focusing
    • G03B13/36—Autofocus systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders
    • H04N23/633—Control of cameras or camera modules by using electronic viewfinders for displaying additional information relating to control or operation of the camera
    • H04N23/635—Region indicators; Field of view indicators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • H04N23/672—Focus control based on electronic image sensor signals based on the phase difference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • H04N23/675—Focus control based on electronic image sensor signals comprising setting of focusing regions

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Automatic Focus Adjustment (AREA)
  • Studio Devices (AREA)
  • Focusing (AREA)
JP2007100110A 2007-04-06 2007-04-06 光学機器 Expired - Fee Related JP4873729B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2007100110A JP4873729B2 (ja) 2007-04-06 2007-04-06 光学機器
EP08006490.0A EP1978392B1 (en) 2007-04-06 2008-03-31 Optical apparatus with focus control
US12/060,957 US7894716B2 (en) 2007-04-06 2008-04-02 Optical apparatus with a plurality of selectable auto-focus areas within a focus-range

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007100110A JP4873729B2 (ja) 2007-04-06 2007-04-06 光学機器

Publications (3)

Publication Number Publication Date
JP2008257004A JP2008257004A (ja) 2008-10-23
JP2008257004A5 JP2008257004A5 (enExample) 2010-05-20
JP4873729B2 true JP4873729B2 (ja) 2012-02-08

Family

ID=39595786

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007100110A Expired - Fee Related JP4873729B2 (ja) 2007-04-06 2007-04-06 光学機器

Country Status (3)

Country Link
US (1) US7894716B2 (enExample)
EP (1) EP1978392B1 (enExample)
JP (1) JP4873729B2 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101651775B (zh) * 2008-08-14 2011-08-24 鸿富锦精密工业（深圳）有限公司 影像撷取装置及其曝光方法
JP2010096977A (ja) * 2008-10-16 2010-04-30 Canon Inc 撮像装置
JP5315019B2 (ja) * 2008-11-18 2013-10-16 ルネサスエレクトロニクス株式会社 オートフォーカス装置、オートフォーカス方法及び撮像装置
JP2010175966A (ja) * 2009-01-30 2010-08-12 Olympus Corp 画像処理装置及び撮像装置
JP5633753B2 (ja) * 2009-05-08 2014-12-03 株式会社ニコン フォーカス制御方法および培養観察装置
JP5220157B2 (ja) * 2011-04-01 2013-06-26 キヤノン株式会社 情報処理装置及びその制御方法、プログラム、並びに記憶媒体
JP6323314B2 (ja) * 2014-11-28 2018-05-16 富士通株式会社 合焦制御装置及び合焦制御プログラム
CN109983755A (zh) * 2016-06-30 2019-07-05 北方公司 基于眼睛跟踪自动聚焦的图像捕获系统、设备和方法
JP2021184053A (ja) * 2020-05-22 2021-12-02 キヤノン株式会社 レンズ装置、撮像装置、およびカメラシステム

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5333028A (en) 1988-08-30 1994-07-26 Canon Kabushiki Kaisha Automatic focusing apparatus detecting focus for a plurality of areas and using contrast levels
US5293194A (en) 1990-01-25 1994-03-08 Canon Kabushiki Kaisha Focus detection apparatus having an auxiliary light
JP3216645B2 (ja) 1990-09-04 2001-10-09 オリンパス光学工業株式会社 カメラの測距視野選択装置
JP3158643B2 (ja) 1992-04-20 2001-04-23 キヤノン株式会社 焦点検出手段と視線検出手段とを有したカメラ
JPH063581A (ja) * 1992-06-19 1994-01-14 Nikon Corp 自動焦点調節装置
JPH08136797A (ja) * 1994-11-08 1996-05-31 Canon Inc 測距点表示装置
JPH1026723A (ja) 1996-07-10 1998-01-27 Canon Inc 光学装置、焦点検出装置及びオートフォーカスカメラ
JP3728611B2 (ja) * 1996-08-06 2005-12-21 株式会社ニコン 焦点検出装置
US6088539A (en) * 1997-12-24 2000-07-11 Canon Kabushiki Kaisha Optical apparatus with focus adjusting function and focus adjustment control circuit
JP3630965B2 (ja) * 1997-12-24 2005-03-23 キヤノン株式会社 焦点検出装置、カメラ及び焦点検出方法
JP4018218B2 (ja) 1997-12-25 2007-12-05 キヤノン株式会社 光学装置及び測距点選択方法
DE69942599D1 (de) * 1998-05-26 2010-09-02 Canon Kk Kamera mit Fokussierungsdetektor
JP2000002833A (ja) * 1998-06-16 2000-01-07 Minolta Co Ltd カメラ
JP4124874B2 (ja) 1998-08-31 2008-07-23 キヤノン株式会社 カメラ
JP2000028903A (ja) * 1999-06-16 2000-01-28 Canon Inc 自動焦点調節カメラ
JP3610271B2 (ja) * 1999-11-18 2005-01-12 キヤノン株式会社 自動焦点カメラ
JP2001159730A (ja) 1999-12-02 2001-06-12 Ricoh Co Ltd 電子カメラ
JP2001215401A (ja) * 2000-02-01 2001-08-10 Canon Inc 選択点選択装置
US6456788B1 (en) * 2000-08-21 2002-09-24 Canon Kabushiki Kaisha Optical apparatus and camera provided with line-of-sight detecting device
JP4193804B2 (ja) * 2005-02-03 2008-12-10 カシオ計算機株式会社 撮像装置、画像記憶装置、撮像方法、記憶方法及びプログラム
JP4747003B2 (ja) * 2005-06-22 2011-08-10 富士フイルム株式会社 自動合焦制御装置およびその制御方法
JP2007078908A (ja) * 2005-09-13 2007-03-29 Canon Inc レンズ装置及びその合焦制御方法

Also Published As

Publication number Publication date
JP2008257004A (ja) 2008-10-23
EP1978392B1 (en) 2016-01-06
US7894716B2 (en) 2011-02-22
EP1978392A1 (en) 2008-10-08
US20080247742A1 (en) 2008-10-09

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