JPS52154629A - Focus detector in optical system - Google Patents

Focus detector in optical system

Info

Publication number
JPS52154629A
JPS52154629A JP7203076A JP7203076A JPS52154629A JP S52154629 A JPS52154629 A JP S52154629A JP 7203076 A JP7203076 A JP 7203076A JP 7203076 A JP7203076 A JP 7203076A JP S52154629 A JPS52154629 A JP S52154629A
Authority
JP
Japan
Prior art keywords
optical system
focus detector
focus
detector
optical
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
JP7203076A
Other languages
Japanese (ja)
Inventor
Hiromitsu Okada
Masayuki Masuyama
Shinji Wada
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.)
Tokyo Optical Co Ltd
Original Assignee
Tokyo Optical 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 Tokyo Optical Co Ltd filed Critical Tokyo Optical Co Ltd
Priority to JP7203076A priority Critical patent/JPS52154629A/en
Publication of JPS52154629A publication Critical patent/JPS52154629A/en
Pending legal-status Critical Current

Links

Landscapes

  • Viewfinders (AREA)
  • Optical Elements Other Than Lenses (AREA)
JP7203076A 1976-06-18 1976-06-18 Focus detector in optical system Pending JPS52154629A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7203076A JPS52154629A (en) 1976-06-18 1976-06-18 Focus detector in optical system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7203076A JPS52154629A (en) 1976-06-18 1976-06-18 Focus detector in optical system

Publications (1)

Publication Number Publication Date
JPS52154629A true JPS52154629A (en) 1977-12-22

Family

ID=13477596

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7203076A Pending JPS52154629A (en) 1976-06-18 1976-06-18 Focus detector in optical system

Country Status (1)

Country Link
JP (1) JPS52154629A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5713402A (en) * 1980-06-27 1982-01-23 Canon Inc Diffusing plate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5713402A (en) * 1980-06-27 1982-01-23 Canon Inc Diffusing plate

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