JPH0233126B2 - - Google Patents

Info

Publication number
JPH0233126B2
JPH0233126B2 JP56096157A JP9615781A JPH0233126B2 JP H0233126 B2 JPH0233126 B2 JP H0233126B2 JP 56096157 A JP56096157 A JP 56096157A JP 9615781 A JP9615781 A JP 9615781A JP H0233126 B2 JPH0233126 B2 JP H0233126B2
Authority
JP
Japan
Prior art keywords
aperture
focus
lens
image plane
focus detection
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 - Lifetime
Application number
JP56096157A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57210326A (en
Inventor
Tooru Fukuhara
Makoto Kimura
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.)
Nikon Corp
Original Assignee
Nippon Kogaku KK
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 Nippon Kogaku KK filed Critical Nippon Kogaku KK
Priority to JP56096157A priority Critical patent/JPS57210326A/ja
Priority to US06/389,049 priority patent/US4473287A/en
Publication of JPS57210326A publication Critical patent/JPS57210326A/ja
Publication of JPH0233126B2 publication Critical patent/JPH0233126B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/34—Systems for automatic generation of focusing signals using different areas in a pupil plane
    • G02B7/346—Systems for automatic generation of focusing signals using different areas in a pupil plane using horizontal and vertical areas in the pupil plane, i.e. wide area autofocusing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
JP56096157A 1981-06-22 1981-06-22 Automatic focus detecting device for camera Granted JPS57210326A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP56096157A JPS57210326A (en) 1981-06-22 1981-06-22 Automatic focus detecting device for camera
US06/389,049 US4473287A (en) 1981-06-22 1982-06-16 Focus detecting device for camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56096157A JPS57210326A (en) 1981-06-22 1981-06-22 Automatic focus detecting device for camera

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP1294594A Division JPH0772765B2 (ja) 1989-11-13 1989-11-13 カメラの自動合焦装置

Publications (2)

Publication Number Publication Date
JPS57210326A JPS57210326A (en) 1982-12-23
JPH0233126B2 true JPH0233126B2 (en]) 1990-07-25

Family

ID=14157517

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56096157A Granted JPS57210326A (en) 1981-06-22 1981-06-22 Automatic focus detecting device for camera

Country Status (2)

Country Link
US (1) US4473287A (en])
JP (1) JPS57210326A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02108614U (en]) * 1989-02-18 1990-08-29

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3246823A1 (de) * 1981-12-18 1983-06-30 Canon K.K., Tokyo Automatische scharfeinstelleinrichtung
US4511232A (en) * 1982-05-28 1985-04-16 Canon Kabushiki Kaisha Auto-focus camera
GB2129642B (en) * 1982-11-05 1986-09-10 British Library Board Focus detection
JPS59100429A (ja) * 1982-11-30 1984-06-09 Mita Ind Co Ltd 露光用移動体の駆動装置
US4602861A (en) * 1982-12-23 1986-07-29 Minolta Camera Kabushiki Kaisha Auto-focusing system
US4623238A (en) * 1983-02-01 1986-11-18 Minolta Camera Kabushiki Kaisha Camera system capable of automatic focus control
US5247326A (en) * 1983-02-01 1993-09-21 Minolta Camera Kabushiki Kaisha Camera system capable of automatic focus control
JPS604912A (ja) * 1983-06-22 1985-01-11 Asahi Optical Co Ltd 一眼レフカメラのｔｔｌ焦点検出装置
JPS60100114A (ja) * 1983-11-05 1985-06-04 Canon Inc 合焦検出装置
JPS6286318A (ja) * 1985-10-11 1987-04-20 Minolta Camera Co Ltd 焦点位置検出装置
US5446494A (en) * 1986-03-04 1995-08-29 Canon Kabushiki Kaisha Focus detecting system
JPS62210414A (ja) * 1986-03-12 1987-09-16 Minolta Camera Co Ltd 焦点検出装置
JPH0789170B2 (ja) * 1986-03-28 1995-09-27 株式会社ニコン 撮影レンズ鏡筒と該撮影レンズ鏡筒が着脱可能なカメラボディとを有するカメラシステム
JPH0756530B2 (ja) * 1986-03-31 1995-06-14 株式会社ニコン 撮影レンズ鏡筒およびカメラ
JPS6341818A (ja) * 1986-08-06 1988-02-23 Minolta Camera Co Ltd 補助照明装置を備えた自動焦点調節装置
JPS6347711A (ja) * 1986-08-18 1988-02-29 Minolta Camera Co Ltd 焦点検出装置
GB2196134B (en) * 1986-09-30 1990-12-19 Canon Kk Camera having auto focus apparatus
JPH0616131B2 (ja) * 1987-01-12 1994-03-02 キヤノン株式会社 オート フォーカスカメラ
US4890133A (en) * 1987-03-26 1989-12-26 Asahi Kogaku Kogyo K.K. Autofocus camera
JPH0772765B2 (ja) * 1989-11-13 1995-08-02 株式会社ニコン カメラの自動合焦装置
US5170202A (en) * 1990-07-03 1992-12-08 Eastman Kodak Company Contrast-based autofocus mechanism
JP3345890B2 (ja) * 1990-08-06 2002-11-18 株式会社ニコン システムカメラおよびリアコンバージョンレンズ鏡筒
CA2223126A1 (en) * 1995-06-07 1996-12-19 Jacob N. Wohlstadter Three-dimensional imaging system
JPH0921943A (ja) * 1995-07-07 1997-01-21 Canon Inc 焦点検出装置を有した光学装置
JP3624548B2 (ja) * 1996-05-20 2005-03-02 株式会社ニコン カメラのピント合わせシステム
JPH11218673A (ja) * 1998-01-30 1999-08-10 Olympus Optical Co Ltd カメラシステム
JP2004170612A (ja) * 2002-11-19 2004-06-17 Sony Corp レンズ駆動装置及び撮像装置
JP7086551B2 (ja) * 2017-09-21 2022-06-20 キヤノン株式会社 撮像装置及びその制御方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4168116A (en) * 1977-12-05 1979-09-18 Ziff-Davis Publishing Company Apparatus for optimizing camera image surface to image receiving surface
JPS5548737A (en) * 1978-10-02 1980-04-08 Konishiroku Photo Ind Co Ltd Photoelectrically focus detecting device mounted camera
JPS55111928A (en) * 1979-02-21 1980-08-29 Ricoh Co Ltd Automatic focusing device
JPS569728A (en) * 1979-07-06 1981-01-31 Olympus Optical Co Ltd Optical device with focus correcting mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02108614U (en]) * 1989-02-18 1990-08-29

Also Published As

Publication number Publication date
US4473287A (en) 1984-09-25
JPS57210326A (en) 1982-12-23

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