JPS634648B2 - - Google Patents

Info

Publication number
JPS634648B2
JPS634648B2 JP56136634A JP13663481A JPS634648B2 JP S634648 B2 JPS634648 B2 JP S634648B2 JP 56136634 A JP56136634 A JP 56136634A JP 13663481 A JP13663481 A JP 13663481A JP S634648 B2 JPS634648 B2 JP S634648B2
Authority
JP
Japan
Prior art keywords
diffusion
photometric
photometry
light
optical path
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.)
Expired
Application number
JP56136634A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5838821A (ja
Inventor
Kenichi Kaita
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 JP56136634A priority Critical patent/JPS5838821A/ja
Publication of JPS5838821A publication Critical patent/JPS5838821A/ja
Publication of JPS634648B2 publication Critical patent/JPS634648B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
    • G01J1/0448—Adjustable, e.g. focussing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
    • G01J1/0474—Diffusers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Exposure Control For Cameras (AREA)
  • Optical Elements Other Than Lenses (AREA)
JP56136634A 1981-08-31 1981-08-31 カメラの測光装置 Granted JPS5838821A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56136634A JPS5838821A (ja) 1981-08-31 1981-08-31 カメラの測光装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56136634A JPS5838821A (ja) 1981-08-31 1981-08-31 カメラの測光装置

Publications (2)

Publication Number Publication Date
JPS5838821A JPS5838821A (ja) 1983-03-07
JPS634648B2 true JPS634648B2 (enrdf_load_stackoverflow) 1988-01-29

Family

ID=15179889

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56136634A Granted JPS5838821A (ja) 1981-08-31 1981-08-31 カメラの測光装置

Country Status (1)

Country Link
JP (1) JPS5838821A (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5161874A (ja) * 1974-11-26 1976-05-28 Sharp Kk Komitsudohikarisokuteisochi
JPS6013451B2 (ja) * 1978-12-29 1985-04-08 株式会社千野製作所 反射基準板

Also Published As

Publication number Publication date
JPS5838821A (ja) 1983-03-07

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