FR506486A - Objectif avec mise en plan anastigmatique de l'image, à forte intensité de lumière, sphériquement et chromatiquement corrigé - Google Patents
Objectif avec mise en plan anastigmatique de l'image, à forte intensité de lumière, sphériquement et chromatiquement corrigéInfo
- Publication number
- FR506486A FR506486A FR506486DA FR506486A FR 506486 A FR506486 A FR 506486A FR 506486D A FR506486D A FR 506486DA FR 506486 A FR506486 A FR 506486A
- Authority
- FR
- France
- Prior art keywords
- spherically
- objective
- light intensity
- high light
- chromatically corrected
- 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
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE88587X | 1918-03-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR506486A true FR506486A (fr) | 1920-08-23 |
Family
ID=5642338
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR506486D Expired FR506486A (fr) | 1918-03-14 | 1919-11-24 | Objectif avec mise en plan anastigmatique de l'image, à forte intensité de lumière, sphériquement et chromatiquement corrigé |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH88587A (fr) |
FR (1) | FR506486A (fr) |
GB (1) | GB135853A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2601595A (en) * | 1951-02-15 | 1952-06-24 | Taylor Taylor & Hobson Ltd | Four component optical objective |
US2601593A (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 |
NL178766B (nl) * | 1952-06-11 | Ibm | Systeem voor automatische besturing van regelopschuifen tabuleermechanismen in een schrijfmachine. | |
DE1104207B (de) * | 1957-04-18 | 1961-04-06 | Agfa Ag | Fotografisches Weitwinkelobjektiv |
US3302991A (en) * | 1963-02-25 | 1967-02-07 | Ednalite Corp | Symmetrical six-element lens system |
-
1919
- 1919-11-24 FR FR506486D patent/FR506486A/fr not_active Expired
- 1919-11-26 GB GB29466/19A patent/GB135853A/en not_active Expired - Lifetime
-
1920
- 1920-02-10 CH CH88587D patent/CH88587A/de unknown
Also Published As
Publication number | Publication date |
---|---|
CH88587A (de) | 1921-03-16 |
GB135853A (en) |
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