JPS5449135A - Preventing device for counter-incident light into camera - Google Patents
Preventing device for counter-incident light into cameraInfo
- Publication number
- JPS5449135A JPS5449135A JP11573477A JP11573477A JPS5449135A JP S5449135 A JPS5449135 A JP S5449135A JP 11573477 A JP11573477 A JP 11573477A JP 11573477 A JP11573477 A JP 11573477A JP S5449135 A JPS5449135 A JP S5449135A
- Authority
- JP
- Japan
- Prior art keywords
- lever
- shutter
- eyepiece lens
- counter
- incident light
- 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
- Viewfinders (AREA)
- Shutters For Cameras (AREA)
- Blocking Light For Cameras (AREA)
Abstract
PURPOSE: To automatcally open the shutter which prevents the counter-incident light after having photographed by opening an eyepiece lens shutter while being interlocked with a lever which shows the signal for computing the second blind.
CONSTITUTION: When lever 8 is operated, eyepiece lens shutter 1 is closed via operating lever 6 to interrupt the counter-incident light from the eyepiece lens 2 side and the precise phtotometry due to the photographic optical system is carried out. Then a proper exposure is made by the relase of shutter 11, and the second blind travels. When this travel is completed, the second blind travel completion signal lever 14 is rotated. And the operating lever 6 is pushed upwardly by opening lever 13, the shutter 1 is moved to automatically open the eyepiece lens 2. Accordingly, the manual openin is no longer required so that photographing interval can be shortened
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11573477A JPS5449135A (en) | 1977-09-27 | 1977-09-27 | Preventing device for counter-incident light into camera |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11573477A JPS5449135A (en) | 1977-09-27 | 1977-09-27 | Preventing device for counter-incident light into camera |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5449135A true JPS5449135A (en) | 1979-04-18 |
Family
ID=14669760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11573477A Pending JPS5449135A (en) | 1977-09-27 | 1977-09-27 | Preventing device for counter-incident light into camera |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5449135A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5113656A (en) * | 1974-07-19 | 1976-02-03 | Kikuo Yamada | JORYOKUSHOKUBUTSUKIZUTAO RYOSHITA JINKOJUMOKUNO SEIKEIHOHO |
-
1977
- 1977-09-27 JP JP11573477A patent/JPS5449135A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5113656A (en) * | 1974-07-19 | 1976-02-03 | Kikuo Yamada | JORYOKUSHOKUBUTSUKIZUTAO RYOSHITA JINKOJUMOKUNO SEIKEIHOHO |
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