JPH03129902U - - Google Patents
Info
- Publication number
- JPH03129902U JPH03129902U JP3820090U JP3820090U JPH03129902U JP H03129902 U JPH03129902 U JP H03129902U JP 3820090 U JP3820090 U JP 3820090U JP 3820090 U JP3820090 U JP 3820090U JP H03129902 U JPH03129902 U JP H03129902U
- Authority
- JP
- Japan
- Prior art keywords
- concave lenses
- sandwiched
- refractive index
- utility
- scope
- 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)
Description
図面は本案の断面図である。１は凹レンズ、２
は凸レンズ、３は凹レンズをしめしている。
は凸レンズ、３は凹レンズをしめしている。
Claims (1)
- 凹レンズ１と凹レンズ３の間に、凹レンズ１と
凹レンズ３に比べて絶対屈折率の小さい凸レンズ
２をはさむ複合レンズ。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3820090U JPH03129902U (ja) | 1990-04-09 | 1990-04-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3820090U JPH03129902U (ja) | 1990-04-09 | 1990-04-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03129902U true JPH03129902U (ja) | 1991-12-26 |
Family
ID=31545992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3820090U Pending JPH03129902U (ja) | 1990-04-09 | 1990-04-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03129902U (ja) |
-
1990
- 1990-04-09 JP JP3820090U patent/JPH03129902U/ja active Pending