BE421027A - - Google Patents
Info
- Publication number
- BE421027A BE421027A BE421027DA BE421027A BE 421027 A BE421027 A BE 421027A BE 421027D A BE421027D A BE 421027DA BE 421027 A BE421027 A BE 421027A
- Authority
- BE
- Belgium
- Prior art keywords
- magnifying optical
- light
- examined
- magnifying
- lenses
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims description 6
- 239000005357 flat glass Substances 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B25/00—Eyepieces; Magnifying glasses
- G02B25/02—Eyepieces; Magnifying glasses with means for illuminating object viewed
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE421027A true BE421027A (OSRAM) |
Family
ID=82973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE421027D BE421027A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE421027A (OSRAM) |
-
0
- BE BE421027D patent/BE421027A/fr unknown
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