JPS55127536A - Electronic flash device for photography - Google Patents
Electronic flash device for photographyInfo
- Publication number
- JPS55127536A JPS55127536A JP3587579A JP3587579A JPS55127536A JP S55127536 A JPS55127536 A JP S55127536A JP 3587579 A JP3587579 A JP 3587579A JP 3587579 A JP3587579 A JP 3587579A JP S55127536 A JPS55127536 A JP S55127536A
- Authority
- JP
- Japan
- Prior art keywords
- exposure information
- light emitting
- front face
- emitting part
- index
- 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
Links
Landscapes
- Stroboscope Apparatuses (AREA)
Abstract
PURPOSE: To obtain accurate exposure information through simple operation by disposing one optical panel slidably in the optical axis direction at the front face of a light emitting part.
CONSTITUTION: A light emission radiation angle variable hood 9 provided with a diffusion panel 10 being an optical panel is disposed, slidably in the optical axis direction, to the front face of the light emitting part 8 consisting of a reflecting shade, flash discharge tube, etc. Then, in the wide angle state that the diffusion panel 10 and the light emitting part 8 front face are approached, the 1st index of object distance index being the 1st exposure information 12 and the aperture value being the 2nd exposure information 15 become visible through the display window 20 of the 3rd display plate 17 having film sensitivity being the 3rd exposure information 18. On the other hand, in the telephoto state that the diffusion panel 10 is spaced apart from the light emitting part 8 front face, the 3rd index of the 1st exposure information 12 positions below the display window 19 and in a standard standard stated, the 2nd index of the 1st exposure information 12 is visible from the display window 20.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3587579A JPS55127536A (en) | 1979-03-26 | 1979-03-26 | Electronic flash device for photography |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3587579A JPS55127536A (en) | 1979-03-26 | 1979-03-26 | Electronic flash device for photography |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55127536A true JPS55127536A (en) | 1980-10-02 |
JPS633296B2 JPS633296B2 (en) | 1988-01-22 |
Family
ID=12454162
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3587579A Granted JPS55127536A (en) | 1979-03-26 | 1979-03-26 | Electronic flash device for photography |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55127536A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5798438U (en) * | 1980-12-09 | 1982-06-17 | ||
JPS58162132U (en) * | 1982-04-21 | 1983-10-28 | 佐藤光機株式会社 | Display device for shooting conditions in electronic flash device |
US4570205A (en) * | 1983-06-21 | 1986-02-11 | West Electric Company, Ltd. | Strobe apparatus |
US4616294A (en) * | 1984-11-06 | 1986-10-07 | Canon Kabushiki Kaisha | Electronic flash device |
US5160192A (en) * | 1988-03-16 | 1992-11-03 | Asahi Kogaku Kogyo Kabushiki Kaisha | Illuminating instrument |
GB2451886A (en) * | 2007-08-17 | 2009-02-18 | Matthew Paul Crowther | Flash lamp diffusion unit for compact cameras |
-
1979
- 1979-03-26 JP JP3587579A patent/JPS55127536A/en active Granted
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5798438U (en) * | 1980-12-09 | 1982-06-17 | ||
JPS58162132U (en) * | 1982-04-21 | 1983-10-28 | 佐藤光機株式会社 | Display device for shooting conditions in electronic flash device |
US4570205A (en) * | 1983-06-21 | 1986-02-11 | West Electric Company, Ltd. | Strobe apparatus |
US4616294A (en) * | 1984-11-06 | 1986-10-07 | Canon Kabushiki Kaisha | Electronic flash device |
US5160192A (en) * | 1988-03-16 | 1992-11-03 | Asahi Kogaku Kogyo Kabushiki Kaisha | Illuminating instrument |
GB2451886A (en) * | 2007-08-17 | 2009-02-18 | Matthew Paul Crowther | Flash lamp diffusion unit for compact cameras |
GB2451886B (en) * | 2007-08-17 | 2011-01-12 | Matthew Paul Crowther | Flash lamp diffusion unit for compact cameras |
Also Published As
Publication number | Publication date |
---|---|
JPS633296B2 (en) | 1988-01-22 |
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