JPS5536811A - Telephoto lens with high magnification finder - Google Patents
Telephoto lens with high magnification finderInfo
- Publication number
- JPS5536811A JPS5536811A JP10914278A JP10914278A JPS5536811A JP S5536811 A JPS5536811 A JP S5536811A JP 10914278 A JP10914278 A JP 10914278A JP 10914278 A JP10914278 A JP 10914278A JP S5536811 A JPS5536811 A JP S5536811A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- barrel
- finder
- moving
- photographing
- 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
- 238000010276 construction Methods 0.000 abstract 1
Landscapes
- Viewfinders (AREA)
- Telescopes (AREA)
- Lenses (AREA)
Abstract
PURPOSE: To make possible observation and photographing of the subject without depending upon intricate construction by mounting a high magnification finder to the telephoto lens for photographing and moving the front group lens of the telephoto lens and the objective lens of the finder simultaneously by the same quantity.
CONSTITUTION: The front group lens 2 of a telephoto lens 1 for photographing is mounted to a moving lens-barrel 4 and the rear group lens 3 is mounted to the stationary lens-barrel 5 mounted removable to the lens mount 6 of the camera. The lens-barrel 4 is inserted to the lens-barrel 5 and the guide groove 7 provided to the lens-barrel 4 is moved straight forward or barkward by the guide pin 8 screwed to the lens-barrel 4. The objective lens 9 of the finder 10 has the same focal length as that of the front group lens 2 of the lens 1 for photographing and forms the erecting image of the far object on the finder frame 12 through an erecting prism 11. The objective lens 9 is mounted to the moving lens-barrel 13 of the finder 10 and this lens-barrel 13 is integrally constituted with the moving lens-barrel 4 by a connecting part 14 and is moved cooperatively with the front group lens 2. The stationary lens-barrel 15 of the finder 10 opposing to the moving lens- barrel 13 is constituted integrally with the foregoing stationary lens-barrel 5 by a connecting part 16.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53109142A JPS5816168B2 (en) | 1978-09-07 | 1978-09-07 | Telephoto lens with high magnification viewfinder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53109142A JPS5816168B2 (en) | 1978-09-07 | 1978-09-07 | Telephoto lens with high magnification viewfinder |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5536811A true JPS5536811A (en) | 1980-03-14 |
JPS5816168B2 JPS5816168B2 (en) | 1983-03-30 |
Family
ID=14502657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53109142A Expired JPS5816168B2 (en) | 1978-09-07 | 1978-09-07 | Telephoto lens with high magnification viewfinder |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5816168B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5816313U (en) * | 1981-07-24 | 1983-02-01 | 三恵技研工業株式会社 | Internal combustion engine exhaust system |
FR2637385A1 (en) * | 1988-10-04 | 1990-04-06 | Asahi Optical Co Ltd | STILL IMAGE PHOTO-ELECTRONIC CAMERA |
FR2638540A1 (en) * | 1988-10-04 | 1990-05-04 | Asahi Optical Co Ltd | Camera with zoom lens |
JPH02234111A (en) * | 1989-03-07 | 1990-09-17 | Ricoh Co Ltd | Zoom finder |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8908187U1 (en) * | 1989-07-05 | 1989-08-31 | Peter, Herbert, 8500 Nürnberg | Miniaturized tennis game device |
-
1978
- 1978-09-07 JP JP53109142A patent/JPS5816168B2/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5816313U (en) * | 1981-07-24 | 1983-02-01 | 三恵技研工業株式会社 | Internal combustion engine exhaust system |
FR2637385A1 (en) * | 1988-10-04 | 1990-04-06 | Asahi Optical Co Ltd | STILL IMAGE PHOTO-ELECTRONIC CAMERA |
FR2638540A1 (en) * | 1988-10-04 | 1990-05-04 | Asahi Optical Co Ltd | Camera with zoom lens |
US5298931A (en) * | 1988-10-04 | 1994-03-29 | Asahi Kogaku Kogyo Kabushiki Kaisha | Electronic still camera |
JPH02234111A (en) * | 1989-03-07 | 1990-09-17 | Ricoh Co Ltd | Zoom finder |
Also Published As
Publication number | Publication date |
---|---|
JPS5816168B2 (en) | 1983-03-30 |
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