JPS51144246A - Master lens for built-in multiplying altering optical system - Google Patents
Master lens for built-in multiplying altering optical systemInfo
- Publication number
- JPS51144246A JPS51144246A JP6795575A JP6795575A JPS51144246A JP S51144246 A JPS51144246 A JP S51144246A JP 6795575 A JP6795575 A JP 6795575A JP 6795575 A JP6795575 A JP 6795575A JP S51144246 A JPS51144246 A JP S51144246A
- Authority
- JP
- Japan
- Prior art keywords
- multiplying
- built
- optical system
- master lens
- altering optical
- 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
- Lenses (AREA)
Abstract
PURPOSE: Altering one part of the lens groups that arrange a lens system to an another lens group varies the focal distance.
COPYRIGHT: (C)1976,JPO&Japio
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6795575A JPS5833528B2 (en) | 1975-06-05 | 1975-06-05 | Master lens for built-in variable magnification optical system |
US05/692,518 US4240697A (en) | 1975-06-05 | 1976-06-03 | Lens system having selectively shiftable focal length |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6795575A JPS5833528B2 (en) | 1975-06-05 | 1975-06-05 | Master lens for built-in variable magnification optical system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS51144246A true JPS51144246A (en) | 1976-12-11 |
JPS5833528B2 JPS5833528B2 (en) | 1983-07-20 |
Family
ID=13359876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6795575A Expired JPS5833528B2 (en) | 1975-06-05 | 1975-06-05 | Master lens for built-in variable magnification optical system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5833528B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009003292A (en) * | 2007-06-22 | 2009-01-08 | Canon Inc | Variable power device and optical equipment |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59107684U (en) * | 1983-01-08 | 1984-07-20 | 有限会社藤商事 | drainage block |
-
1975
- 1975-06-05 JP JP6795575A patent/JPS5833528B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009003292A (en) * | 2007-06-22 | 2009-01-08 | Canon Inc | Variable power device and optical equipment |
Also Published As
Publication number | Publication date |
---|---|
JPS5833528B2 (en) | 1983-07-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5219524A (en) | Telephoto lens | |
JPS51144246A (en) | Master lens for built-in multiplying altering optical system | |
JPS5326609A (en) | Optical scanner | |
JPS51128523A (en) | An optical system for the retinal camera | |
JPS5335385A (en) | Lighting device | |
JPS527723A (en) | Photographic lens of large aperture ratio | |
JPS5339146A (en) | Lens system | |
JPS522193A (en) | Light warning device | |
JPS51137412A (en) | Optical system for eyefall illumination | |
JPS5238943A (en) | Multi-focus lens | |
JPS51140746A (en) | Optical element for surface destruction-proof | |
JPS52127327A (en) | Foucsing lens system | |
JPS5435756A (en) | Photo switch | |
JPS5212844A (en) | Optical fiber system feeding system | |
JPS5236934A (en) | Optical input device | |
JPS51129140A (en) | Light pen | |
JPS52127328A (en) | Focusing lens system | |
JPS51139231A (en) | Two-dimensional drawing reproducing system | |
JPS51126847A (en) | A lens axis detection system utilizing the laser back talk | |
JPS52139450A (en) | Magnifying lens capable of simply transferring focal distance range | |
JPS51133001A (en) | Disk recording device | |
JPS53117943A (en) | Contour tracking system | |
JPS5227287A (en) | Semiconductor laser unit | |
JPS5273746A (en) | Multifocal lenticular lens | |
JPS52117144A (en) | Wide angle lens |