DE98250C - - Google Patents
Info
- Publication number
- DE98250C DE98250C DENDAT98250D DE98250DA DE98250C DE 98250 C DE98250 C DE 98250C DE NDAT98250 D DENDAT98250 D DE NDAT98250D DE 98250D A DE98250D A DE 98250DA DE 98250 C DE98250 C DE 98250C
- Authority
- DE
- Germany
- Prior art keywords
- ocular
- objective
- focal length
- negative system
- telescope
- 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.)
- Active
Links
- 241000237858 Gastropoda Species 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/06—Focusing binocular pairs
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Telescopes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE98250C true DE98250C (enrdf_load_stackoverflow) |
Family
ID=369227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT98250D Active DE98250C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE98250C (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2489578A (en) * | 1944-12-16 | 1949-11-29 | Keuffel & Esser Co | Telescope with achromatic eye lens |
| EP0025398A1 (fr) * | 1979-09-07 | 1981-03-18 | Societe D'optique Precision Electronique Et Mecanique - Sopelem | Système optique à plusieurs champs |
| DE3329785A1 (de) * | 1983-08-18 | 1985-03-07 | Richard Wolf Gmbh, 7134 Knittlingen | Endoskopoptik |
| US4548481A (en) * | 1983-11-07 | 1985-10-22 | Nippon Kogaku K.K. | Variable magnification observation optical device |
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0
- DE DENDAT98250D patent/DE98250C/de active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2489578A (en) * | 1944-12-16 | 1949-11-29 | Keuffel & Esser Co | Telescope with achromatic eye lens |
| EP0025398A1 (fr) * | 1979-09-07 | 1981-03-18 | Societe D'optique Precision Electronique Et Mecanique - Sopelem | Système optique à plusieurs champs |
| FR2465239A1 (fr) * | 1979-09-07 | 1981-03-20 | Sopelem | Objectif a plusieurs champs |
| US4397530A (en) * | 1979-09-07 | 1983-08-09 | Societe D'optique, Precision Electronique Et Mecanique | Objective with several fields |
| DE3329785A1 (de) * | 1983-08-18 | 1985-03-07 | Richard Wolf Gmbh, 7134 Knittlingen | Endoskopoptik |
| US4548481A (en) * | 1983-11-07 | 1985-10-22 | Nippon Kogaku K.K. | Variable magnification observation optical device |