JPS5267323A - Device for photoelectrically detecting propriety of focus in optical system - Google Patents

Device for photoelectrically detecting propriety of focus in optical system

Info

Publication number
JPS5267323A
JPS5267323A JP14239775A JP14239775A JPS5267323A JP S5267323 A JPS5267323 A JP S5267323A JP 14239775 A JP14239775 A JP 14239775A JP 14239775 A JP14239775 A JP 14239775A JP S5267323 A JPS5267323 A JP S5267323A
Authority
JP
Japan
Prior art keywords
propriety
focus
optical system
photoelectrically detecting
photoelectrically
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
JP14239775A
Other languages
Japanese (ja)
Other versions
JPS5613924B2 (en
Inventor
Hisami Gonta
Katsuzou Mizunoe
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.)
Nippon Chemical Industrial Co Ltd
Original Assignee
Nippon Chemical Industrial 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 Nippon Chemical Industrial Co Ltd filed Critical Nippon Chemical Industrial Co Ltd
Priority to JP14239775A priority Critical patent/JPS5267323A/en
Publication of JPS5267323A publication Critical patent/JPS5267323A/en
Publication of JPS5613924B2 publication Critical patent/JPS5613924B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
JP14239775A 1975-12-02 1975-12-02 Device for photoelectrically detecting propriety of focus in optical system Granted JPS5267323A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14239775A JPS5267323A (en) 1975-12-02 1975-12-02 Device for photoelectrically detecting propriety of focus in optical system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14239775A JPS5267323A (en) 1975-12-02 1975-12-02 Device for photoelectrically detecting propriety of focus in optical system

Publications (2)

Publication Number Publication Date
JPS5267323A true JPS5267323A (en) 1977-06-03
JPS5613924B2 JPS5613924B2 (en) 1981-04-01

Family

ID=15314393

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14239775A Granted JPS5267323A (en) 1975-12-02 1975-12-02 Device for photoelectrically detecting propriety of focus in optical system

Country Status (1)

Country Link
JP (1) JPS5267323A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5642205A (en) * 1979-09-17 1981-04-20 Nippon Kogaku Kk <Nikon> Focus detecting method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5642205A (en) * 1979-09-17 1981-04-20 Nippon Kogaku Kk <Nikon> Focus detecting method

Also Published As

Publication number Publication date
JPS5613924B2 (en) 1981-04-01

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