BE475905A - - Google Patents
Info
- Publication number
- BE475905A BE475905A BE475905DA BE475905A BE 475905 A BE475905 A BE 475905A BE 475905D A BE475905D A BE 475905DA BE 475905 A BE475905 A BE 475905A
- Authority
- BE
- Belgium
- Prior art keywords
- sep
- glasses
- lens
- posterior
- curvature
- Prior art date
Links
- 239000011521 glass Substances 0.000 claims description 17
- 239000006185 dispersion Substances 0.000 claims description 2
- 230000004075 alteration Effects 0.000 description 8
- 201000009310 astigmatism Diseases 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000003667 anti-reflective effect Effects 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 210000001747 pupil Anatomy 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
- G02B13/04—Reversed telephoto objectives
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE475905A true BE475905A (https=) |
Family
ID=124449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE475905D BE475905A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE475905A (https=) |
-
0
- BE BE475905D patent/BE475905A/fr unknown
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