DE237072C - - Google Patents
Info
- Publication number
- DE237072C DE237072C DENDAT237072D DE237072DA DE237072C DE 237072 C DE237072 C DE 237072C DE NDAT237072 D DENDAT237072 D DE NDAT237072D DE 237072D A DE237072D A DE 237072DA DE 237072 C DE237072 C DE 237072C
- Authority
- DE
- Germany
- Prior art keywords
- telescope
- ballast
- lens
- prism
- broken
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 210000001747 pupil Anatomy 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Telescopes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE237072C true DE237072C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=496714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT237072D Active DE237072C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE237072C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0025398A1 (fr) * | 1979-09-07 | 1981-03-18 | Societe D'optique Precision Electronique Et Mecanique - Sopelem | Système optique à plusieurs champs |
| FR2625572A1 (fr) * | 1987-12-30 | 1989-07-07 | Trt Telecom Radio Electr | Systeme optique bifocal coude a champ oriente |
| US7705090B2 (en) | 2004-08-20 | 2010-04-27 | Chevron Oronite Company Llc | Method for preparing polyolefins containing a high percentage of exo-olefin chain ends |
| US7709580B2 (en) | 2004-08-20 | 2010-05-04 | Chevron Oronite Company Llc | Method for preparation of polylefins containing exo-olefin chain ends |
| US7816459B2 (en) | 2005-12-30 | 2010-10-19 | Chevron Oronite Company Llc | Method for preparing polyolefins containing vinylidine end groups using polymeric nitrogen compounds |
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0
- DE DENDAT237072D patent/DE237072C/de active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| FR2625572A1 (fr) * | 1987-12-30 | 1989-07-07 | Trt Telecom Radio Electr | Systeme optique bifocal coude a champ oriente |
| US7705090B2 (en) | 2004-08-20 | 2010-04-27 | Chevron Oronite Company Llc | Method for preparing polyolefins containing a high percentage of exo-olefin chain ends |
| US7709580B2 (en) | 2004-08-20 | 2010-05-04 | Chevron Oronite Company Llc | Method for preparation of polylefins containing exo-olefin chain ends |
| US7816459B2 (en) | 2005-12-30 | 2010-10-19 | Chevron Oronite Company Llc | Method for preparing polyolefins containing vinylidine end groups using polymeric nitrogen compounds |