JPS626206B2 - - Google Patents

Info

Publication number
JPS626206B2
JPS626206B2 JP54018922A JP1892279A JPS626206B2 JP S626206 B2 JPS626206 B2 JP S626206B2 JP 54018922 A JP54018922 A JP 54018922A JP 1892279 A JP1892279 A JP 1892279A JP S626206 B2 JPS626206 B2 JP S626206B2
Authority
JP
Japan
Prior art keywords
lens
optical sensor
group
aperture value
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
Application number
JP54018922A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55111927A (en
Inventor
Mikio Kobayashi
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP1892279A priority Critical patent/JPS55111927A/ja
Publication of JPS55111927A publication Critical patent/JPS55111927A/ja
Publication of JPS626206B2 publication Critical patent/JPS626206B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
JP1892279A 1979-02-20 1979-02-20 Automatic focus detector Granted JPS55111927A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1892279A JPS55111927A (en) 1979-02-20 1979-02-20 Automatic focus detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1892279A JPS55111927A (en) 1979-02-20 1979-02-20 Automatic focus detector

Publications (2)

Publication Number Publication Date
JPS55111927A JPS55111927A (en) 1980-08-29
JPS626206B2 true JPS626206B2 (en, 2012) 1987-02-09

Family

ID=11985102

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1892279A Granted JPS55111927A (en) 1979-02-20 1979-02-20 Automatic focus detector

Country Status (1)

Country Link
JP (1) JPS55111927A (en, 2012)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6127374Y2 (en, 2012) * 1979-02-28 1986-08-15
JPS55144211A (en) * 1979-04-27 1980-11-11 Fuji Photo Optical Co Ltd Focus detector of camera
JPS59133512A (ja) * 1983-01-21 1984-07-31 Nippon Kogaku Kk <Nikon> 焦点検出装置
US4509842A (en) * 1983-02-01 1985-04-09 Minolta Camera Kabushiki Kaisha Camera system capable of focus detection through an interchangeable objective lens
JPS59168713U (ja) * 1983-04-26 1984-11-12 京セラ株式会社 自動焦点検出カメラにおけるセンサ切換装置
US4959677A (en) * 1986-10-01 1990-09-25 Canon Kabushiki Kaisha Device for detecting the focus adjusted state of an objecting lens
JPH03214133A (ja) * 1990-01-18 1991-09-19 Nikon Corp 焦点検出装置
JP4532968B2 (ja) 2004-04-13 2010-08-25 キヤノン株式会社 焦点検出装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2703290A1 (de) * 1977-01-27 1978-08-03 Leitz Ernst Gmbh Elektro-optische fokussiereinrichtung fuer fotografische kameras

Also Published As

Publication number Publication date
JPS55111927A (en) 1980-08-29

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