JPS5342042A - Light splitter - Google Patents

Light splitter

Info

Publication number
JPS5342042A
JPS5342042A JP11626176A JP11626176A JPS5342042A JP S5342042 A JPS5342042 A JP S5342042A JP 11626176 A JP11626176 A JP 11626176A JP 11626176 A JP11626176 A JP 11626176A JP S5342042 A JPS5342042 A JP S5342042A
Authority
JP
Japan
Prior art keywords
light splitter
weigjt
directive
arranging
camera
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
JP11626176A
Other languages
Japanese (ja)
Inventor
Takashi Suzuki
Susumu Matsumura
Kazuya Matsumoto
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP11626176A priority Critical patent/JPS5342042A/en
Publication of JPS5342042A publication Critical patent/JPS5342042A/en
Pending legal-status Critical Current

Links

Landscapes

  • Exposure Control For Cameras (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)

Abstract

PURPOSE: To make photometric means compact and reduce its weigjt by arranging a directive diffractive element of brazed type in the finder optical path of a camera for the light splitting purpose.
COPYRIGHT: (C)1978,JPO&Japio
JP11626176A 1976-09-28 1976-09-28 Light splitter Pending JPS5342042A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11626176A JPS5342042A (en) 1976-09-28 1976-09-28 Light splitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11626176A JPS5342042A (en) 1976-09-28 1976-09-28 Light splitter

Publications (1)

Publication Number Publication Date
JPS5342042A true JPS5342042A (en) 1978-04-17

Family

ID=14682709

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11626176A Pending JPS5342042A (en) 1976-09-28 1976-09-28 Light splitter

Country Status (1)

Country Link
JP (1) JPS5342042A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55101922A (en) * 1979-01-31 1980-08-04 Canon Inc Light splitter
US4486096A (en) * 1980-07-25 1984-12-04 Canon Kabushiki Kaisha Device for measuring incident light
JPS6186724A (en) * 1984-10-04 1986-05-02 Canon Inc Grating type optical controlling element

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55101922A (en) * 1979-01-31 1980-08-04 Canon Inc Light splitter
JPS6337365B2 (en) * 1979-01-31 1988-07-25 Canon Kk
US4486096A (en) * 1980-07-25 1984-12-04 Canon Kabushiki Kaisha Device for measuring incident light
JPS6186724A (en) * 1984-10-04 1986-05-02 Canon Inc Grating type optical controlling element

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