JPS57175927A - Light splitting device for photometry - Google Patents

Light splitting device for photometry

Info

Publication number
JPS57175927A
JPS57175927A JP56063033A JP6303381A JPS57175927A JP S57175927 A JPS57175927 A JP S57175927A JP 56063033 A JP56063033 A JP 56063033A JP 6303381 A JP6303381 A JP 6303381A JP S57175927 A JPS57175927 A JP S57175927A
Authority
JP
Japan
Prior art keywords
luminous flux
minute
submirror
main mirror
group
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
JP56063033A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6152410B2 (US20030204162A1-20031030-M00001.png
Inventor
Keiji Otaka
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 JP56063033A priority Critical patent/JPS57175927A/ja
Publication of JPS57175927A publication Critical patent/JPS57175927A/ja
Publication of JPS6152410B2 publication Critical patent/JPS6152410B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/099—Arrangement of photoelectric elements in or on the camera

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP56063033A 1981-04-24 1981-04-24 Light splitting device for photometry Granted JPS57175927A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56063033A JPS57175927A (en) 1981-04-24 1981-04-24 Light splitting device for photometry

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56063033A JPS57175927A (en) 1981-04-24 1981-04-24 Light splitting device for photometry

Publications (2)

Publication Number Publication Date
JPS57175927A true JPS57175927A (en) 1982-10-29
JPS6152410B2 JPS6152410B2 (US20030204162A1-20031030-M00001.png) 1986-11-13

Family

ID=13217604

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56063033A Granted JPS57175927A (en) 1981-04-24 1981-04-24 Light splitting device for photometry

Country Status (1)

Country Link
JP (1) JPS57175927A (US20030204162A1-20031030-M00001.png)

Also Published As

Publication number Publication date
JPS6152410B2 (US20030204162A1-20031030-M00001.png) 1986-11-13

Similar Documents

Publication Publication Date Title
JPS5511216A (en) Connecting optical system of light guide
JPS5657012A (en) Distance detecting optical system
JPS57175927A (en) Light splitting device for photometry
JPS5420750A (en) Photo coupler
JPS5768811A (en) Beam condensing device
JPS55105204A (en) Optical path branching filter
JPS5393026A (en) Color separation optical apparatus
JPS578407A (en) Reflector
ES2073576T3 (es) Telescopio de espejos.
JPS52147449A (en) Optical branching and condensing devices
JPS5490880A (en) Lamp assembly for use in vehicle
JPS54158814A (en) Picture information reader
JPS5546703A (en) Photo multiple distributor
JPS56120259A (en) Reader for equimultiple type video information
JPS57121285A (en) Light coupling device
JPS6483394A (en) Laser beam machine
JPS6417347A (en) Reflection type photoelectric switch
JPS5472068A (en) Optical processor
JPS5784425A (en) Optical device
JPS6410226A (en) Range finder for camera
JPS6471285A (en) Projection optical system
JPS57181520A (en) Optical branching and mixing device
JPS57195237A (en) Fresnel lens for screen
JPS57158573A (en) Optical system of light wave range finder
JPS54105530A (en) Information display finder of camera