JP2005195786A - 焦点検出装置及びそれを用いた光学機器 - Google Patents

焦点検出装置及びそれを用いた光学機器 Download PDF

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Publication number
JP2005195786A
JP2005195786A JP2004001118A JP2004001118A JP2005195786A JP 2005195786 A JP2005195786 A JP 2005195786A JP 2004001118 A JP2004001118 A JP 2004001118A JP 2004001118 A JP2004001118 A JP 2004001118A JP 2005195786 A JP2005195786 A JP 2005195786A
Authority
JP
Japan
Prior art keywords
focus detection
prism
image
secondary imaging
lens
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
JP2004001118A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005195786A5 (enExample
Inventor
Yusuke Omura
大村祐介
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 JP2004001118A priority Critical patent/JP2005195786A/ja
Priority to US11/023,738 priority patent/US7283737B2/en
Publication of JP2005195786A publication Critical patent/JP2005195786A/ja
Publication of JP2005195786A5 publication Critical patent/JP2005195786A5/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
    • G02B7/34—Systems for automatic generation of focusing signals using different areas in a pupil plane

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Studio Devices (AREA)
JP2004001118A 2004-01-06 2004-01-06 焦点検出装置及びそれを用いた光学機器 Pending JP2005195786A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004001118A JP2005195786A (ja) 2004-01-06 2004-01-06 焦点検出装置及びそれを用いた光学機器
US11/023,738 US7283737B2 (en) 2004-01-06 2004-12-27 Focus detecting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004001118A JP2005195786A (ja) 2004-01-06 2004-01-06 焦点検出装置及びそれを用いた光学機器

Publications (2)

Publication Number Publication Date
JP2005195786A true JP2005195786A (ja) 2005-07-21
JP2005195786A5 JP2005195786A5 (enExample) 2007-02-01

Family

ID=34708989

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004001118A Pending JP2005195786A (ja) 2004-01-06 2004-01-06 焦点検出装置及びそれを用いた光学機器

Country Status (2)

Country Link
US (1) US7283737B2 (enExample)
JP (1) JP2005195786A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010181590A (ja) * 2009-02-05 2010-08-19 Hoya Corp 焦点検出装置
WO2013183320A1 (ja) * 2012-06-05 2013-12-12 リコーイメージング株式会社 焦点検出光学系

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007148338A (ja) * 2005-11-07 2007-06-14 Canon Inc 光学機器
JP4946313B2 (ja) * 2006-09-27 2012-06-06 株式会社ニコン 撮像装置
JP4961993B2 (ja) * 2006-12-18 2012-06-27 株式会社ニコン 撮像素子、焦点検出装置および撮像装置
US20100103300A1 (en) * 2008-10-24 2010-04-29 Tenebraex Corporation Systems and methods for high resolution imaging
JP5409028B2 (ja) * 2009-01-30 2014-02-05 キヤノン株式会社 分割光学系及びそれを用いた撮像光学系、撮像装置
KR20130005882A (ko) * 2011-07-07 2013-01-16 삼성전자주식회사 디지털 촬영 장치, 그 제어방법, 및 오토포커싱 방법
JP6000520B2 (ja) * 2011-07-25 2016-09-28 キヤノン株式会社 撮像装置およびその制御方法およびプログラム
US8619182B2 (en) 2012-03-06 2013-12-31 Csr Technology Inc. Fast auto focus techniques for digital cameras
JP2015129846A (ja) * 2014-01-07 2015-07-16 キヤノン株式会社 撮像装置およびその制御方法
JP6381266B2 (ja) * 2014-04-15 2018-08-29 キヤノン株式会社 撮像装置、制御装置、制御方法、プログラム、および、記憶媒体

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53143315A (en) * 1977-05-20 1978-12-13 Asahi Optical Co Ltd Focal point detection device for singleelens reflex camera
JPS61255316A (ja) * 1985-05-08 1986-11-13 Canon Inc 焦点検出装置
JPS61284714A (ja) * 1985-06-10 1986-12-15 Minolta Camera Co Ltd 焦点検出装置
JPS623216A (ja) * 1985-06-28 1987-01-09 Canon Inc 焦点検出装置
JPS623215A (ja) * 1985-06-28 1987-01-09 Canon Inc 焦点検出装置
JPS6256914A (ja) * 1985-09-05 1987-03-12 Canon Inc 焦点検出装置
JPS6278515A (ja) * 1985-10-02 1987-04-10 Canon Inc 焦点検出装置
JPS62168107A (ja) * 1986-01-20 1987-07-24 Minolta Camera Co Ltd 焦点検出用光学系
JPS62192714A (ja) * 1986-02-20 1987-08-24 Minolta Camera Co Ltd 焦点検出装置
JPH02120712A (ja) * 1988-10-31 1990-05-08 Canon Inc 焦点検出装置
JPH02210335A (ja) * 1988-07-20 1990-08-21 Asahi Optical Co Ltd カメラの焦点検出装置
JPH06324282A (ja) * 1993-05-13 1994-11-25 Sanyo Electric Co Ltd 太陽光採光装置
JPH07270677A (ja) * 1994-03-29 1995-10-20 Olympus Optical Co Ltd 焦点検出光学系
JPH09281578A (ja) * 1996-02-15 1997-10-31 Casio Comput Co Ltd カメラ装置
JPH10233950A (ja) * 1996-12-17 1998-09-02 Eriko Shimizu 電子ズーム画像入力方式
JP2001083402A (ja) * 1999-09-09 2001-03-30 Canon Inc 光学機器
JP2001153753A (ja) * 1999-11-25 2001-06-08 Topcon Corp レンズメータ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4849782A (en) * 1985-06-28 1989-07-18 Canon Kabushiki Kaisha Focus detecting device
JP2001066496A (ja) 1999-08-27 2001-03-16 Canon Inc 焦点検出装置

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53143315A (en) * 1977-05-20 1978-12-13 Asahi Optical Co Ltd Focal point detection device for singleelens reflex camera
JPS61255316A (ja) * 1985-05-08 1986-11-13 Canon Inc 焦点検出装置
JPS61284714A (ja) * 1985-06-10 1986-12-15 Minolta Camera Co Ltd 焦点検出装置
JPS623216A (ja) * 1985-06-28 1987-01-09 Canon Inc 焦点検出装置
JPS623215A (ja) * 1985-06-28 1987-01-09 Canon Inc 焦点検出装置
JPS6256914A (ja) * 1985-09-05 1987-03-12 Canon Inc 焦点検出装置
JPS6278515A (ja) * 1985-10-02 1987-04-10 Canon Inc 焦点検出装置
JPS62168107A (ja) * 1986-01-20 1987-07-24 Minolta Camera Co Ltd 焦点検出用光学系
JPS62192714A (ja) * 1986-02-20 1987-08-24 Minolta Camera Co Ltd 焦点検出装置
JPH02210335A (ja) * 1988-07-20 1990-08-21 Asahi Optical Co Ltd カメラの焦点検出装置
JPH02120712A (ja) * 1988-10-31 1990-05-08 Canon Inc 焦点検出装置
JPH06324282A (ja) * 1993-05-13 1994-11-25 Sanyo Electric Co Ltd 太陽光採光装置
JPH07270677A (ja) * 1994-03-29 1995-10-20 Olympus Optical Co Ltd 焦点検出光学系
JPH09281578A (ja) * 1996-02-15 1997-10-31 Casio Comput Co Ltd カメラ装置
JPH10233950A (ja) * 1996-12-17 1998-09-02 Eriko Shimizu 電子ズーム画像入力方式
JP2001083402A (ja) * 1999-09-09 2001-03-30 Canon Inc 光学機器
JP2001153753A (ja) * 1999-11-25 2001-06-08 Topcon Corp レンズメータ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010181590A (ja) * 2009-02-05 2010-08-19 Hoya Corp 焦点検出装置
WO2013183320A1 (ja) * 2012-06-05 2013-12-12 リコーイメージング株式会社 焦点検出光学系

Also Published As

Publication number Publication date
US7283737B2 (en) 2007-10-16
US20050147403A1 (en) 2005-07-07

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