JPS55120013A - Swing and tilt photographic apparatus - Google Patents
Swing and tilt photographic apparatusInfo
- Publication number
- JPS55120013A JPS55120013A JP2746779A JP2746779A JPS55120013A JP S55120013 A JPS55120013 A JP S55120013A JP 2746779 A JP2746779 A JP 2746779A JP 2746779 A JP2746779 A JP 2746779A JP S55120013 A JPS55120013 A JP S55120013A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- principal point
- support board
- swing
- point
- 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
- Lenses (AREA)
Abstract
PURPOSE: To obtain an easy-to-operate swing and tilt mechanism, by using a combination lens having the prinicipal point of object and the principal point of image approximately in the same point as a photographic lens, and mounting such lens on the main body in such a way that the central axis of rotation of swing and tilt may pass through the principal point.
CONSTITUTION: A pair of supporting arms 2, 3 are mounted on a supporting frame 1 in a position adjustable manner, and a lens support board 4 and a film support board 5 are rotatably fitted to the arms 2, 3 around rotating shafts 6, 7. Bellows 8 are provided between the boards 4 and 5. A four-piece symmetrical lens having the principal point of object and principal point of image approximately in the same point is fitted to the lens support board 4 in such a way that the rotating shaft 6 may pass through the position of the principal point. Therefore, even when the lens support board 4 is rotated about the rotating shaft 6, deviation of image or off- focus will never occur. Thus, an easy-to-operate swing and tilt mechanism may be obtained.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2746779A JPS55120013A (en) | 1979-03-09 | 1979-03-09 | Swing and tilt photographic apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2746779A JPS55120013A (en) | 1979-03-09 | 1979-03-09 | Swing and tilt photographic apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55120013A true JPS55120013A (en) | 1980-09-16 |
Family
ID=12221912
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2746779A Pending JPS55120013A (en) | 1979-03-09 | 1979-03-09 | Swing and tilt photographic apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55120013A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5642223A (en) * | 1991-01-17 | 1997-06-24 | Asahi Kogaku Kogyo Kabushiki Kaisha | Tilting lens system |
JP2008281873A (en) * | 2007-05-11 | 2008-11-20 | Sony Corp | Imaging lens |
-
1979
- 1979-03-09 JP JP2746779A patent/JPS55120013A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5642223A (en) * | 1991-01-17 | 1997-06-24 | Asahi Kogaku Kogyo Kabushiki Kaisha | Tilting lens system |
JP2008281873A (en) * | 2007-05-11 | 2008-11-20 | Sony Corp | Imaging lens |
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