DE890722C - Optisches System für Periskope - Google Patents
Optisches System für PeriskopeInfo
- Publication number
- DE890722C DE890722C DENDAT890722D DE890722DA DE890722C DE 890722 C DE890722 C DE 890722C DE NDAT890722 D DENDAT890722 D DE NDAT890722D DE 890722D A DE890722D A DE 890722DA DE 890722 C DE890722 C DE 890722C
- Authority
- DE
- Germany
- Prior art keywords
- periscopes
- optical system
- eyepiece
- lens
- curved
- 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
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
- G02B23/08—Periscopes
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Description
Hierzu 1 Blatt Zeichnungen
5427 9. S3
Claims (1)
- PATENTANSPRUCH:Okular für Periskope kurzer Bauart nach Patent 883 664, dadurch gekennzeichnet, daß das zur Verwendung gelangende Okular wenigstens drei in der Luft stehende Glieder aufweist, wobei wenigstens in dem nach dem Objektiv gekehrten Glied oder im folgenden eine nach dem Objektiv zu durchgebogene Kittfläche enthalten ist mit einer höheren Brechzahl an der erhabenen Fläche als an der hohlen Fläche.
Publications (1)
Publication Number | Publication Date |
---|---|
DE890722C true DE890722C (de) | 1953-08-13 |
Family
ID=580865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT890722D Expired DE890722C (de) | Optisches System für Periskope |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE890722C (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2855824A (en) * | 1957-02-18 | 1958-10-14 | Eastman Kodak Co | Large aperture lens for lenticular film photography |
US4526444A (en) * | 1984-04-02 | 1985-07-02 | Polaroid Corporation | Viewfinder apparatus |
US4545655A (en) * | 1984-04-02 | 1985-10-08 | Polaroid Corporation | Optical viewing system |
-
0
- DE DENDAT890722D patent/DE890722C/de not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2855824A (en) * | 1957-02-18 | 1958-10-14 | Eastman Kodak Co | Large aperture lens for lenticular film photography |
US4526444A (en) * | 1984-04-02 | 1985-07-02 | Polaroid Corporation | Viewfinder apparatus |
US4545655A (en) * | 1984-04-02 | 1985-10-08 | Polaroid Corporation | Optical viewing system |
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