DE259795C - - Google Patents
Info
- Publication number
- DE259795C DE259795C DENDAT259795D DE259795DA DE259795C DE 259795 C DE259795 C DE 259795C DE NDAT259795 D DENDAT259795 D DE NDAT259795D DE 259795D A DE259795D A DE 259795DA DE 259795 C DE259795 C DE 259795C
- Authority
- DE
- Germany
- Prior art keywords
- eyepiece
- annular
- lens
- ring
- periscope
- 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
- 239000011521 glass Substances 0.000 claims description 4
- 210000000056 organ Anatomy 0.000 claims 1
- 208000031872 Body Remains Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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)
- Telescopes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE259795C true DE259795C (enExample) |
Family
ID=517494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT259795D Active DE259795C (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE259795C (enExample) |
-
0
- DE DENDAT259795D patent/DE259795C/de active Active
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