JPS5722210A - Optical device - Google Patents

Optical device

Info

Publication number
JPS5722210A
JPS5722210A JP9659380A JP9659380A JPS5722210A JP S5722210 A JPS5722210 A JP S5722210A JP 9659380 A JP9659380 A JP 9659380A JP 9659380 A JP9659380 A JP 9659380A JP S5722210 A JPS5722210 A JP S5722210A
Authority
JP
Japan
Prior art keywords
intersection
optical axis
respect
point
systems
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
JP9659380A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6342761B2 (enrdf_load_stackoverflow
Inventor
Yukichi Niwa
Mitsutoshi Owada
Yasuo Ogino
Kazuo Tanaka
Noboru Yukimura
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 JP9659380A priority Critical patent/JPS5722210A/ja
Priority to US06/282,037 priority patent/US4455065A/en
Publication of JPS5722210A publication Critical patent/JPS5722210A/ja
Publication of JPS6342761B2 publication Critical patent/JPS6342761B2/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
JP9659380A 1980-07-15 1980-07-15 Optical device Granted JPS5722210A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP9659380A JPS5722210A (en) 1980-07-15 1980-07-15 Optical device
US06/282,037 US4455065A (en) 1980-07-15 1981-07-09 Optical device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9659380A JPS5722210A (en) 1980-07-15 1980-07-15 Optical device

Publications (2)

Publication Number Publication Date
JPS5722210A true JPS5722210A (en) 1982-02-05
JPS6342761B2 JPS6342761B2 (enrdf_load_stackoverflow) 1988-08-25

Family

ID=14169193

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9659380A Granted JPS5722210A (en) 1980-07-15 1980-07-15 Optical device

Country Status (1)

Country Link
JP (1) JPS5722210A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4595271A (en) * 1983-11-05 1986-06-17 Canon Kabushiki Kaisha In-focus state detection device
US4743932A (en) * 1985-06-24 1988-05-10 Minolta Camera Kabushiki Kaisha Focus detection device for a camera
US4900911A (en) * 1986-03-12 1990-02-13 Minolta Camera Kabushiki Kaisha Focus detecting system utilizing correction data on aberrations of the photographic lens
JPH0476509A (ja) * 1990-07-18 1992-03-11 Victor Co Of Japan Ltd 撮像装置
US9451146B2 (en) 2012-05-04 2016-09-20 Samsung Electronics Co., Ltd. Focus detecting apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50110647A (enrdf_load_stackoverflow) * 1974-02-09 1975-08-30
JPS54155832A (en) * 1978-05-30 1979-12-08 Canon Inc Focusing detector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50110647A (enrdf_load_stackoverflow) * 1974-02-09 1975-08-30
JPS54155832A (en) * 1978-05-30 1979-12-08 Canon Inc Focusing detector

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4595271A (en) * 1983-11-05 1986-06-17 Canon Kabushiki Kaisha In-focus state detection device
US4743932A (en) * 1985-06-24 1988-05-10 Minolta Camera Kabushiki Kaisha Focus detection device for a camera
US4900911A (en) * 1986-03-12 1990-02-13 Minolta Camera Kabushiki Kaisha Focus detecting system utilizing correction data on aberrations of the photographic lens
JPH0476509A (ja) * 1990-07-18 1992-03-11 Victor Co Of Japan Ltd 撮像装置
US9451146B2 (en) 2012-05-04 2016-09-20 Samsung Electronics Co., Ltd. Focus detecting apparatus

Also Published As

Publication number Publication date
JPS6342761B2 (enrdf_load_stackoverflow) 1988-08-25

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