DE8902221U1 - Halbapochromat - Google Patents
HalbapochromatInfo
- Publication number
- DE8902221U1 DE8902221U1 DE8902221U DE8902221U DE8902221U1 DE 8902221 U1 DE8902221 U1 DE 8902221U1 DE 8902221 U DE8902221 U DE 8902221U DE 8902221 U DE8902221 U DE 8902221U DE 8902221 U1 DE8902221 U1 DE 8902221U1
- Authority
- DE
- Germany
- Prior art keywords
- lens
- semi
- apochromat
- systems
- glass
- 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
- 238000001228 spectrum Methods 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 description 9
- 239000010436 fluorite Substances 0.000 description 2
- 241000272168 Laridae Species 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/02—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having one + component only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8902221U DE8902221U1 (de) | 1989-02-24 | 1989-02-24 | Halbapochromat |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8902221U DE8902221U1 (de) | 1989-02-24 | 1989-02-24 | Halbapochromat |
Publications (1)
Publication Number | Publication Date |
---|---|
DE8902221U1 true DE8902221U1 (de) | 1989-04-06 |
Family
ID=6836396
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8902221U Expired DE8902221U1 (de) | 1989-02-24 | 1989-02-24 | Halbapochromat |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE8902221U1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016123732A1 (de) | 2015-12-07 | 2017-06-08 | Norbert Strömich | Polychromatisches Objektiv und Verfahren zum Entwurf eines polychromatischen Objektivs |
-
1989
- 1989-02-24 DE DE8902221U patent/DE8902221U1/de not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016123732A1 (de) | 2015-12-07 | 2017-06-08 | Norbert Strömich | Polychromatisches Objektiv und Verfahren zum Entwurf eines polychromatischen Objektivs |
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