JPS5379532A - Exposure control device - Google Patents

Exposure control device

Info

Publication number
JPS5379532A
JPS5379532A JP15553076A JP15553076A JPS5379532A JP S5379532 A JPS5379532 A JP S5379532A JP 15553076 A JP15553076 A JP 15553076A JP 15553076 A JP15553076 A JP 15553076A JP S5379532 A JPS5379532 A JP S5379532A
Authority
JP
Japan
Prior art keywords
control device
exposure control
super small
photographed
diaphragm
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
JP15553076A
Other languages
Japanese (ja)
Other versions
JPS5834817B2 (en
Inventor
Akio Sunochi
Hideo Yokota
Akiyasu Washimi
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 JP51155530A priority Critical patent/JPS5834817B2/en
Publication of JPS5379532A publication Critical patent/JPS5379532A/en
Publication of JPS5834817B2 publication Critical patent/JPS5834817B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Exposure Control For Cameras (AREA)
  • Cameras In General (AREA)

Abstract

PURPOSE: To obtain an effect as same as that of a super small stop with no influence from the mechanical precision as well as optical diffraction by inserting a filter corresponding to the diaphragm super small aperture in the optical path when a high sensitive film is in use or an object of a high brightness is photographed.
COPYRIGHT: (C)1978,JPO&Japio
JP51155530A 1976-12-23 1976-12-23 Exposure adjustment device Expired JPS5834817B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51155530A JPS5834817B2 (en) 1976-12-23 1976-12-23 Exposure adjustment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51155530A JPS5834817B2 (en) 1976-12-23 1976-12-23 Exposure adjustment device

Publications (2)

Publication Number Publication Date
JPS5379532A true JPS5379532A (en) 1978-07-14
JPS5834817B2 JPS5834817B2 (en) 1983-07-29

Family

ID=15608074

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51155530A Expired JPS5834817B2 (en) 1976-12-23 1976-12-23 Exposure adjustment device

Country Status (1)

Country Link
JP (1) JPS5834817B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63148243A (en) * 1986-12-12 1988-06-21 Asahi Optical Co Ltd Device for preventing imprint of lens sticking matter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63148243A (en) * 1986-12-12 1988-06-21 Asahi Optical Co Ltd Device for preventing imprint of lens sticking matter

Also Published As

Publication number Publication date
JPS5834817B2 (en) 1983-07-29

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