JPS55157727A - Single lens reflex camera - Google Patents

Single lens reflex camera

Info

Publication number
JPS55157727A
JPS55157727A JP6639879A JP6639879A JPS55157727A JP S55157727 A JPS55157727 A JP S55157727A JP 6639879 A JP6639879 A JP 6639879A JP 6639879 A JP6639879 A JP 6639879A JP S55157727 A JPS55157727 A JP S55157727A
Authority
JP
Japan
Prior art keywords
aperture
lever
rotation
cam plate
amount
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
JP6639879A
Other languages
Japanese (ja)
Inventor
Katsumi Terada
Masahiro Kitagawa
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.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP6639879A priority Critical patent/JPS55157727A/en
Publication of JPS55157727A publication Critical patent/JPS55157727A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To determine the aperture automatically depending on the quantity of light received, by operating the aperture lever of the lens by providing a cam plate controlled to the position of rotation according to the quantity of light received and a lever which abuts against the cam plate being interlocked with the shutter operation.
CONSTITUTION: An aperture lever 14 provided on a lens barrel is intended to operate to deviate the aperture blades in one direction, for example, towards the minimum aperture opening side. An aperture driving lever 11 is provided in contact with the lower part of the aperture lever 14. By rotation of the aperture driving lever 11, when a ring 13 is turned, a lever 15 abuts against a cam plate 16, which causes to control the amount of rotation of the driving lever 11 and aperture lever 14. This control continues until a rotor 20 is rotated to a specified position. As a result, the amount of rotation of the ring 13, that is, the amount of operation of the aperture lever 14 of the lens barrel is controlled, so that the aperture may be determined according to the brightness of the subject, sensitivity of the film, and shutter second time.
COPYRIGHT: (C)1980,JPO&Japio
JP6639879A 1979-05-29 1979-05-29 Single lens reflex camera Pending JPS55157727A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6639879A JPS55157727A (en) 1979-05-29 1979-05-29 Single lens reflex camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6639879A JPS55157727A (en) 1979-05-29 1979-05-29 Single lens reflex camera

Publications (1)

Publication Number Publication Date
JPS55157727A true JPS55157727A (en) 1980-12-08

Family

ID=13314656

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6639879A Pending JPS55157727A (en) 1979-05-29 1979-05-29 Single lens reflex camera

Country Status (1)

Country Link
JP (1) JPS55157727A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50836A (en) * 1973-04-28 1975-01-07
JPS5062027A (en) * 1973-10-01 1975-05-27

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50836A (en) * 1973-04-28 1975-01-07
JPS5062027A (en) * 1973-10-01 1975-05-27

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