BE509431A - - Google Patents
Info
- Publication number
- BE509431A BE509431A BE509431DA BE509431A BE 509431 A BE509431 A BE 509431A BE 509431D A BE509431D A BE 509431DA BE 509431 A BE509431 A BE 509431A
- Authority
- BE
- Belgium
- Prior art keywords
- water
- vision
- distortion
- optical system
- lenses
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000011521 glass Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 210000002268 wool Anatomy 0.000 claims 1
- 230000004075 alteration Effects 0.000 description 4
- 210000001747 pupil Anatomy 0.000 description 4
- 230000009189 diving Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 201000009310 astigmatism Diseases 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 210000000887 face Anatomy 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000012780 transparent material Substances 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
- G02B23/16—Housings; Caps; Mountings; Supports, e.g. with counterweight
- G02B23/22—Underwater equipment
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE509431A true BE509431A (OSRAM) |
Family
ID=148858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE509431D BE509431A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE509431A (OSRAM) |
-
0
- BE BE509431D patent/BE509431A/fr unknown
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