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
- 150000001875 compounds Chemical class 0.000 claims 1
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