JPS52117144A - Wide angle lens - Google Patents
Wide angle lensInfo
- Publication number
- JPS52117144A JPS52117144A JP3399076A JP3399076A JPS52117144A JP S52117144 A JPS52117144 A JP S52117144A JP 3399076 A JP3399076 A JP 3399076A JP 3399076 A JP3399076 A JP 3399076A JP S52117144 A JPS52117144 A JP S52117144A
- Authority
- JP
- Japan
- Prior art keywords
- wide angle
- angle lens
- spherical
- making
- distortion aberration
- 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 reduce distortion aberration by making the lens face composing the system non-spherical.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3399076A JPS52117144A (en) | 1976-03-26 | 1976-03-26 | Wide angle lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3399076A JPS52117144A (en) | 1976-03-26 | 1976-03-26 | Wide angle lens |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52117144A true JPS52117144A (en) | 1977-10-01 |
Family
ID=12401908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3399076A Pending JPS52117144A (en) | 1976-03-26 | 1976-03-26 | Wide angle lens |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52117144A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55143505A (en) * | 1979-04-27 | 1980-11-08 | Ichikoh Ind Ltd | Fade area recognizing device for automobile |
JPS5766414A (en) * | 1980-10-13 | 1982-04-22 | Ricoh Co Ltd | Projection lens device |
-
1976
- 1976-03-26 JP JP3399076A patent/JPS52117144A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55143505A (en) * | 1979-04-27 | 1980-11-08 | Ichikoh Ind Ltd | Fade area recognizing device for automobile |
JPS5766414A (en) * | 1980-10-13 | 1982-04-22 | Ricoh Co Ltd | Projection lens device |
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