JPS556350A - Finder optical system of camera provided with automatic focus detector - Google Patents

Finder optical system of camera provided with automatic focus detector

Info

Publication number
JPS556350A
JPS556350A JP7843678A JP7843678A JPS556350A JP S556350 A JPS556350 A JP S556350A JP 7843678 A JP7843678 A JP 7843678A JP 7843678 A JP7843678 A JP 7843678A JP S556350 A JPS556350 A JP S556350A
Authority
JP
Japan
Prior art keywords
optical system
constitution
finder
range finding
mirror
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
JP7843678A
Other languages
Japanese (ja)
Inventor
Kiyoshi Kitai
Shinji Nagaoka
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.)
Seiko Koki KK
Original Assignee
Seiko Koki KK
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 Seiko Koki KK filed Critical Seiko Koki KK
Priority to JP7843678A priority Critical patent/JPS556350A/en
Publication of JPS556350A publication Critical patent/JPS556350A/en
Pending legal-status Critical Current

Links

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Viewfinders (AREA)

Abstract

PURPOSE: To make the constitution of the optical system simple and achieve the miniaturization of the camera by making a combined use of an optical system for range finding and finder.
CONSTITUTION: Two sets of the subject light, one through the first optical path transmitting through a moving half mirror 2 by reflecting on a half mirror 1 and the other through the second optical path reflecting on the mirror 2, are detected in a photo detector 4, whereby the range finding with a distance detector 5 is accomplished. On the other hand, part of the subject light through the first optical path transmits through the mirror 1 and enters a finder 6. With this constitution, a combined use of an optical system for range finding and finder is made and the constitution of the optical system becomes simpler than the case when optical systems are provided respectively separately, thus the camera becomes smaller in size.
COPYRIGHT: (C)1980,JPO&Japio
JP7843678A 1978-06-28 1978-06-28 Finder optical system of camera provided with automatic focus detector Pending JPS556350A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7843678A JPS556350A (en) 1978-06-28 1978-06-28 Finder optical system of camera provided with automatic focus detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7843678A JPS556350A (en) 1978-06-28 1978-06-28 Finder optical system of camera provided with automatic focus detector

Publications (1)

Publication Number Publication Date
JPS556350A true JPS556350A (en) 1980-01-17

Family

ID=13661981

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7843678A Pending JPS556350A (en) 1978-06-28 1978-06-28 Finder optical system of camera provided with automatic focus detector

Country Status (1)

Country Link
JP (1) JPS556350A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62259564A (en) * 1986-05-02 1987-11-11 Yakult Honsha Co Ltd Production of powder of fomes japonicus extract
JPS63287728A (en) * 1987-05-18 1988-11-24 Noda Shiyokukin Kogyo Kk Extraction of medicinal component from culture mixture of mycelium

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62259564A (en) * 1986-05-02 1987-11-11 Yakult Honsha Co Ltd Production of powder of fomes japonicus extract
JPH0221790B2 (en) * 1986-05-02 1990-05-16 Yakuruto Honsha Kk
JPS63287728A (en) * 1987-05-18 1988-11-24 Noda Shiyokukin Kogyo Kk Extraction of medicinal component from culture mixture of mycelium

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