GB135853A - Spherically and Chromatically Corrected Objective with Anastigmatic Planeing of the Image and of Great Intensity of Light. - Google Patents
Spherically and Chromatically Corrected Objective with Anastigmatic Planeing of the Image and of Great Intensity of Light.Info
- Publication number
- GB135853A GB135853A GB29466/19A GB2946619A GB135853A GB 135853 A GB135853 A GB 135853A GB 29466/19 A GB29466/19 A GB 29466/19A GB 2946619 A GB2946619 A GB 2946619A GB 135853 A GB135853 A GB 135853A
- Authority
- GB
- United Kingdom
- Prior art keywords
- planeing
- anastigmatic
- spherically
- image
- light
- 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 - Lifetime
Links
- 239000011800 void material Substances 0.000 abstract 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 -
- G02B9/04—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having two components only
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
135,853. Rudolph, P. March 14, 1918, [Convention date]. Void [Published under Sect. 91 of the Act]. Lenses.-In a photographic objective comprising a concavo-convex lens L1 of high refractive index next the diaphragm and separated by an air space from a double-concave lens L<2> of low refraction, cemented to a double-convex element L3 of high refraction, the radius of the cemented surface r4 is at least equal to the equivalent focus of a symmetrical doublet comprising two such single objectives. The single objeotive can be combined, however, with any other suitable objective to form a doublet.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE88587X | 1918-03-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB135853A true GB135853A (en) |
Family
ID=5642338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB29466/19A Expired - Lifetime GB135853A (en) | 1918-03-14 | 1919-11-26 | Spherically and Chromatically Corrected Objective with Anastigmatic Planeing of the Image and of Great Intensity of Light. |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH88587A (en) |
| FR (1) | FR506486A (en) |
| GB (1) | GB135853A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2601593A (en) * | 1951-02-15 | 1952-06-24 | Taylor Taylor & Hobson Ltd | Four component optical objective |
| US2601595A (en) * | 1951-02-15 | 1952-06-24 | Taylor Taylor & Hobson Ltd | Four component optical objective |
| US2635505A (en) * | 1951-12-01 | 1953-04-21 | Eastman Kodak Co | Photographic objective consisting of two outer negative doublets and two inner positive singlets |
| US2730015A (en) * | 1952-06-11 | 1956-01-10 | Voigtlaender Ag | Four component wide angle photographic objective consisting of six lens elements |
| US2967459A (en) * | 1957-04-18 | 1961-01-10 | Agfa Ag | Photographic wide angle objective |
| US3302991A (en) * | 1963-02-25 | 1967-02-07 | Ednalite Corp | Symmetrical six-element lens system |
-
1919
- 1919-11-24 FR FR506486D patent/FR506486A/en not_active Expired
- 1919-11-26 GB GB29466/19A patent/GB135853A/en not_active Expired - Lifetime
-
1920
- 1920-02-10 CH CH88587D patent/CH88587A/en unknown
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2601593A (en) * | 1951-02-15 | 1952-06-24 | Taylor Taylor & Hobson Ltd | Four component optical objective |
| US2601595A (en) * | 1951-02-15 | 1952-06-24 | Taylor Taylor & Hobson Ltd | Four component optical objective |
| US2635505A (en) * | 1951-12-01 | 1953-04-21 | Eastman Kodak Co | Photographic objective consisting of two outer negative doublets and two inner positive singlets |
| US2730015A (en) * | 1952-06-11 | 1956-01-10 | Voigtlaender Ag | Four component wide angle photographic objective consisting of six lens elements |
| US2967459A (en) * | 1957-04-18 | 1961-01-10 | Agfa Ag | Photographic wide angle objective |
| US3302991A (en) * | 1963-02-25 | 1967-02-07 | Ednalite Corp | Symmetrical six-element lens system |
Also Published As
| Publication number | Publication date |
|---|---|
| CH88587A (en) | 1921-03-16 |
| FR506486A (en) | 1920-08-23 |
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