JPS57210326A - Automatic focus detecting device for camera - Google Patents

Automatic focus detecting device for camera

Info

Publication number
JPS57210326A
JPS57210326A JP56096157A JP9615781A JPS57210326A JP S57210326 A JPS57210326 A JP S57210326A JP 56096157 A JP56096157 A JP 56096157A JP 9615781 A JP9615781 A JP 9615781A JP S57210326 A JPS57210326 A JP S57210326A
Authority
JP
Japan
Prior art keywords
circuit
focus
signal
value
correcting
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.)
Granted
Application number
JP56096157A
Other languages
English (en)
Other versions
JPH0233126B2 (ja
Inventor
Toru 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
Nikon Corp
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 Nikon Corp, Nippon Kogaku KK filed Critical Nikon Corp
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)
  • Automatic Focus Adjustment (AREA)
  • Focusing (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 true JPS57210326A (en) 1982-12-23
JPH0233126B2 JPH0233126B2 (ja) 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 (ja)
JP (1) JPS57210326A (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3422852A1 (de) * 1983-06-22 1985-01-10 Asahi Kogaku Kogyo K.K., Tokio/Tokyo Durch das objektiv-brennpunkterfassungsvorrichtung einer einaeugigen spiegelreflexkamera
US4602861A (en) * 1982-12-23 1986-07-29 Minolta Camera Kabushiki Kaisha Auto-focusing system
US4768052A (en) * 1986-08-18 1988-08-30 Minolta Camera Kabushiki Kaisha Focus detecting device
US4901101A (en) * 1986-08-06 1990-02-13 Minolta Camera Kabushiki Kaisha Automatic focus control device for use in a camera system
JPH02181109A (ja) * 1989-11-13 1990-07-13 Nikon Corp カメラの自動合焦装置
US5172154A (en) * 1990-08-06 1992-12-15 Nikon Corporation System camera
JP2019056803A (ja) * 2017-09-21 2019-04-11 キヤノン株式会社 撮像装置及びその制御方法

Families Citing this family (22)

* 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
US5247326A (en) * 1983-02-01 1993-09-21 Minolta Camera Kabushiki Kaisha Camera system capable of automatic focus control
US4623238A (en) * 1983-02-01 1986-11-18 Minolta Camera Kabushiki Kaisha Camera system capable of automatic focus control
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
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
JPH02108614U (ja) * 1989-02-18 1990-08-29
US5170202A (en) * 1990-07-03 1992-12-08 Eastman Kodak Company Contrast-based autofocus mechanism
WO1996041227A1 (en) * 1995-06-07 1996-12-19 Meso Scale Technologies 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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (2)

* 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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4602861A (en) * 1982-12-23 1986-07-29 Minolta Camera Kabushiki Kaisha Auto-focusing system
US5130734A (en) * 1982-12-23 1992-07-14 Minolta Camera Kabushiki Kaisha Data input/output device for a camera
DE3422852A1 (de) * 1983-06-22 1985-01-10 Asahi Kogaku Kogyo K.K., Tokio/Tokyo Durch das objektiv-brennpunkterfassungsvorrichtung einer einaeugigen spiegelreflexkamera
US4901101A (en) * 1986-08-06 1990-02-13 Minolta Camera Kabushiki Kaisha Automatic focus control device for use in a camera system
US4768052A (en) * 1986-08-18 1988-08-30 Minolta Camera Kabushiki Kaisha Focus detecting device
US4878079A (en) * 1986-08-18 1989-10-31 Minolta Camera Kabushiki Kaisha Focus detecting device
JPH02181109A (ja) * 1989-11-13 1990-07-13 Nikon Corp カメラの自動合焦装置
US5172154A (en) * 1990-08-06 1992-12-15 Nikon Corporation System camera
JP2019056803A (ja) * 2017-09-21 2019-04-11 キヤノン株式会社 撮像装置及びその制御方法

Also Published As

Publication number Publication date
JPH0233126B2 (ja) 1990-07-25
US4473287A (en) 1984-09-25

Similar Documents

Publication Publication Date Title
JPS57210326A (en) Automatic focus detecting device for camera
JPS56132315A (en) Automatic focusing method
JPS57108810A (en) Focus detector
JPS57161838A (en) Focus detector of camera
JPS56107221A (en) Correction system for aperture control of single-lens reflex camera with interchangeable lens and its interchangeable lens used for the system
JPS5540447A (en) Image correcting method in zoom lens
JPS5299820A (en) Focusing glass
JPS5697325A (en) Focus detecting method of camera
JPS5773709A (en) Focusing-point detector
JPS5665121A (en) Distance measuring and photometric device of camera
JPS55111927A (en) Automatic focus detector
JPS5732406A (en) Focus detector
JPS561024A (en) Automatic focusing type camera
JPS5764204A (en) Automatic focus controller
JPS5319805A (en) Automatic focusing optical device
JPS6462608A (en) Photographic lens fitted to photographic range or magnification detecting device
JPS57120926A (en) Copying machine for microfilm
JPS57172331A (en) Exposure confirming system using focusing detector
JPS57142630A (en) Camera having automatic focus adjuster
JPS5859410A (ja) 焦点検出装置
JPS56167112A (en) Focusing detecting method
JPS55115019A (en) Focusing detector
JPS54161928A (en) Focus detector
JPS6459312A (en) Automatic focusing camera
JPS5722211A (en) Focusing detecting system