BE419764A - - Google Patents
Info
- Publication number
- BE419764A BE419764A BE419764DA BE419764A BE 419764 A BE419764 A BE 419764A BE 419764D A BE419764D A BE 419764DA BE 419764 A BE419764 A BE 419764A
- Authority
- BE
- Belgium
- Prior art keywords
- sep
- lens
- focal length
- objective according
- objective
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 241000219739 Lens Species 0.000 description 38
- 230000002093 peripheral effect Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005499 meniscus Effects 0.000 description 2
- 241000937413 Axia Species 0.000 description 1
- 235000014647 Lens culinaris subsp culinaris Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 235000019271 petrolatum Nutrition 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE419764A true BE419764A (enExample) |
Family
ID=81982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE419764D BE419764A (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE419764A (enExample) |
-
0
- BE BE419764D patent/BE419764A/fr unknown
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