JPH0233208Y2 - - Google Patents
Info
- Publication number
- JPH0233208Y2 JPH0233208Y2 JP3834981U JP3834981U JPH0233208Y2 JP H0233208 Y2 JPH0233208 Y2 JP H0233208Y2 JP 3834981 U JP3834981 U JP 3834981U JP 3834981 U JP3834981 U JP 3834981U JP H0233208 Y2 JPH0233208 Y2 JP H0233208Y2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- primary mirror
- optical system
- negative meniscus
- maksutov
- 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.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 claims description 11
- 230000005499 meniscus Effects 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 2
- 230000004075 alteration Effects 0.000 description 10
- 201000009310 astigmatism Diseases 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 1
Landscapes
- Telescopes (AREA)
- Lenses (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3834981U JPH0233208Y2 (de) | 1981-03-20 | 1981-03-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3834981U JPH0233208Y2 (de) | 1981-03-20 | 1981-03-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57153317U JPS57153317U (de) | 1982-09-27 |
JPH0233208Y2 true JPH0233208Y2 (de) | 1990-09-07 |
Family
ID=29835510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3834981U Expired JPH0233208Y2 (de) | 1981-03-20 | 1981-03-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0233208Y2 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8488237B2 (en) * | 2011-01-12 | 2013-07-16 | Raytheon Company | Wide spectral coverage Ross corrected Cassegrain-like telescope |
JP5915489B2 (ja) * | 2012-10-04 | 2016-05-11 | ソニー株式会社 | 反射屈折型レンズ系および撮像装置 |
US9846299B2 (en) * | 2013-04-05 | 2017-12-19 | University Of Florida Research Foundation, Incorporated | Telescope and telescope array for use in spacecraft |
-
1981
- 1981-03-20 JP JP3834981U patent/JPH0233208Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS57153317U (de) | 1982-09-27 |
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