BE784606A - PERFECTED REFLECTIVE LENS - Google Patents
PERFECTED REFLECTIVE LENSInfo
- Publication number
- BE784606A BE784606A BE784606A BE784606A BE784606A BE 784606 A BE784606 A BE 784606A BE 784606 A BE784606 A BE 784606A BE 784606 A BE784606 A BE 784606A BE 784606 A BE784606 A BE 784606A
- Authority
- BE
- Belgium
- Prior art keywords
- perfected
- reflective lens
- reflective
- lens
- perfected reflective
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
- G02B17/0884—Catadioptric systems having a pupil corrector
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
- G02B17/0804—Catadioptric systems using two curved mirrors
- G02B17/0808—Catadioptric systems using two curved mirrors on-axis systems with at least one of the mirrors having a central aperture
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
- G02B17/0852—Catadioptric systems having a field corrector only
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1979171A GB1388545A (en) | 1971-06-09 | 1971-06-09 | Catadioptric lenses |
Publications (1)
Publication Number | Publication Date |
---|---|
BE784606A true BE784606A (en) | 1972-10-02 |
Family
ID=10135283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE784606A BE784606A (en) | 1971-06-09 | 1972-06-08 | PERFECTED REFLECTIVE LENS |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE784606A (en) |
DE (1) | DE2228235C2 (en) |
FR (1) | FR2140472B1 (en) |
GB (1) | GB1388545A (en) |
IL (1) | IL39647A (en) |
NL (1) | NL7207921A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0237041B1 (en) * | 1986-03-12 | 1993-08-18 | Matsushita Electric Industrial Co., Ltd. | Projection optical system for use in precise copy |
CN110579859A (en) * | 2019-09-03 | 2019-12-17 | 佛山科学技术学院 | compact type long-focal-length star sensor telecentric optical system |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1199515B (en) * | 1961-12-23 | 1965-08-26 | Rodenstock Optik G | Mirror lens |
-
1971
- 1971-06-09 GB GB1979171A patent/GB1388545A/en not_active Expired
-
1972
- 1972-06-06 FR FR7220248A patent/FR2140472B1/fr not_active Expired
- 1972-06-08 IL IL39647A patent/IL39647A/en unknown
- 1972-06-08 BE BE784606A patent/BE784606A/en not_active IP Right Cessation
- 1972-06-09 DE DE2228235A patent/DE2228235C2/en not_active Expired
- 1972-06-09 NL NL7207921A patent/NL7207921A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE2228235A1 (en) | 1972-12-21 |
IL39647A (en) | 1975-03-13 |
IL39647A0 (en) | 1972-08-30 |
FR2140472B1 (en) | 1977-06-17 |
NL7207921A (en) | 1972-12-12 |
FR2140472A1 (en) | 1973-01-19 |
DE2228235C2 (en) | 1981-11-26 |
GB1388545A (en) | 1975-03-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: THE RANK ORGANISATION LTD Effective date: 19860630 |