JPS5425851A - Focus detector - Google Patents

Focus detector

Info

Publication number
JPS5425851A
JPS5425851A JP9118377A JP9118377A JPS5425851A JP S5425851 A JPS5425851 A JP S5425851A JP 9118377 A JP9118377 A JP 9118377A JP 9118377 A JP9118377 A JP 9118377A JP S5425851 A JPS5425851 A JP S5425851A
Authority
JP
Japan
Prior art keywords
beam splitter
focus detector
optical axis
providing
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.)
Pending
Application number
JP9118377A
Other languages
Japanese (ja)
Inventor
Toshihiro Kondo
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film 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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP9118377A priority Critical patent/JPS5425851A/en
Publication of JPS5425851A publication Critical patent/JPS5425851A/en
Pending legal-status Critical Current

Links

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)

Abstract

PURPOSE: To enable focus detection to be readily performed by providing a conical prism whose vertical angle is of a size of not causing full reflection between a beam splitter on the optical axis of the light split by the beam splitter and photo detectors.
COPYRIGHT: (C)1979,JPO&Japio
JP9118377A 1977-07-29 1977-07-29 Focus detector Pending JPS5425851A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9118377A JPS5425851A (en) 1977-07-29 1977-07-29 Focus detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9118377A JPS5425851A (en) 1977-07-29 1977-07-29 Focus detector

Publications (1)

Publication Number Publication Date
JPS5425851A true JPS5425851A (en) 1979-02-27

Family

ID=14019327

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9118377A Pending JPS5425851A (en) 1977-07-29 1977-07-29 Focus detector

Country Status (1)

Country Link
JP (1) JPS5425851A (en)

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