BE496114A - - Google Patents
Info
- Publication number
- BE496114A BE496114A BE496114DA BE496114A BE 496114 A BE496114 A BE 496114A BE 496114D A BE496114D A BE 496114DA BE 496114 A BE496114 A BE 496114A
- Authority
- BE
- Belgium
- Prior art keywords
- prism
- light beam
- rays
- semi
- film
- Prior art date
Links
- 239000011521 glass Substances 0.000 claims description 10
- 230000009931 harmful effect Effects 0.000 claims description 6
- 230000004075 alteration Effects 0.000 claims description 5
- 210000000887 face Anatomy 0.000 claims 3
- 230000011514 reflex Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000005337 ground glass Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 239000005338 frosted glass Substances 0.000 description 1
- 239000007787 solid 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
- G02B23/14—Viewfinders
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Telescopes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE496114A true BE496114A (forum.php) |
Family
ID=139426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE496114D BE496114A (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE496114A (forum.php) |
-
0
- BE BE496114D patent/BE496114A/fr unknown
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