JPS51144618A - The photometry device of single-lens reflex camera - Google Patents

The photometry device of single-lens reflex camera

Info

Publication number
JPS51144618A
JPS51144618A JP50068784A JP6878475A JPS51144618A JP S51144618 A JPS51144618 A JP S51144618A JP 50068784 A JP50068784 A JP 50068784A JP 6878475 A JP6878475 A JP 6878475A JP S51144618 A JPS51144618 A JP S51144618A
Authority
JP
Japan
Prior art keywords
lens reflex
reflex camera
photometry device
quantities
inverse
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
JP50068784A
Other languages
Japanese (ja)
Inventor
Kazuya Matsumoto
Susumu Matsumura
Aiichiro Koyama
Yoichi Okuno
Tokuichi Tsunekawa
Tadashi Ito
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 JP50068784A priority Critical patent/JPS51144618A/en
Publication of JPS51144618A publication Critical patent/JPS51144618A/en
Pending legal-status Critical Current

Links

Landscapes

  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Exposure Control For Cameras (AREA)

Abstract

PURPOSE: The quantities of light incident from eyepiece are measured and these inverse incident quantities of light are deducted from the output of optical detectors, eliminating the error by inverse incidences and improving the measurement accuracy of exposure meters.
COPYRIGHT: (C)1976,JPO&Japio
JP50068784A 1975-06-06 1975-06-06 The photometry device of single-lens reflex camera Pending JPS51144618A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50068784A JPS51144618A (en) 1975-06-06 1975-06-06 The photometry device of single-lens reflex camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50068784A JPS51144618A (en) 1975-06-06 1975-06-06 The photometry device of single-lens reflex camera

Publications (1)

Publication Number Publication Date
JPS51144618A true JPS51144618A (en) 1976-12-11

Family

ID=13383691

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50068784A Pending JPS51144618A (en) 1975-06-06 1975-06-06 The photometry device of single-lens reflex camera

Country Status (1)

Country Link
JP (1) JPS51144618A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2361626A1 (en) * 1972-12-11 1974-06-12 Canon Kk METHOD OF REGULATING THE INTRODUCTION OF DEFLECTED BEAMS

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2361626A1 (en) * 1972-12-11 1974-06-12 Canon Kk METHOD OF REGULATING THE INTRODUCTION OF DEFLECTED BEAMS

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