GB1422901A - Five-component gauss objective - Google Patents
Five-component gauss objectiveInfo
- Publication number
- GB1422901A GB1422901A GB131774A GB131774A GB1422901A GB 1422901 A GB1422901 A GB 1422901A GB 131774 A GB131774 A GB 131774A GB 131774 A GB131774 A GB 131774A GB 1422901 A GB1422901 A GB 1422901A
- Authority
- GB
- United Kingdom
- Prior art keywords
- iii
- component
- gauss objective
- objective
- component gauss
- 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
1422901 Lenses PENTACON DRESDEN KAMERA-UND KINOWERKE VEB 11 Jan 1974 [6 April 1973] 01317/74 Heading G2J A Gaussian objective comprises the elements shown (LI is a meniscus) which fulfill these condutions:- I/100 < l 2 < 3f'/100 where f' is the overall focal length; 0.55 <r<SP>4</SP>/r<SP>5</SP>< 0.75; 1.5f'<(r 4 +r 5 )<2.5f'; d 2 + l 2 + d 3 < d 4 + d 5 ; 0.02 < (n II - n III ) < 0.04 and n II > n III at γ = 546.1 nm Surface r6 may be aspherical. Numerical data are given for two examples.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD16997873A DD105517A1 (en) | 1973-04-06 | 1973-04-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1422901A true GB1422901A (en) | 1976-01-28 |
Family
ID=5490740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB131774A Expired GB1422901A (en) | 1973-04-06 | 1974-01-11 | Five-component gauss objective |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT338012B (en) |
DD (1) | DD105517A1 (en) |
DE (1) | DE2414094A1 (en) |
GB (1) | GB1422901A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4131335A (en) * | 1976-03-23 | 1978-12-26 | Olympus Optical Co., Ltd. | Photographic lens system |
-
1973
- 1973-04-06 DD DD16997873A patent/DD105517A1/xx unknown
-
1974
- 1974-01-11 GB GB131774A patent/GB1422901A/en not_active Expired
- 1974-03-23 DE DE19742414094 patent/DE2414094A1/en active Pending
- 1974-04-05 AT AT285974A patent/AT338012B/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4131335A (en) * | 1976-03-23 | 1978-12-26 | Olympus Optical Co., Ltd. | Photographic lens system |
Also Published As
Publication number | Publication date |
---|---|
DD105517A1 (en) | 1974-04-20 |
ATA285974A (en) | 1976-11-15 |
DE2414094A1 (en) | 1974-10-24 |
AT338012B (en) | 1977-07-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |