JPS55157727A - Single lens reflex camera - Google Patents
Single lens reflex cameraInfo
- 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
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
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50836A (en) * | 1973-04-28 | 1975-01-07 | ||
JPS5062027A (en) * | 1973-10-01 | 1975-05-27 |
-
1979
- 1979-05-29 JP JP6639879A patent/JPS55157727A/en active Pending
Patent Citations (2)
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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