DE168977C - - Google Patents
Info
- Publication number
- DE168977C DE168977C DENDAT168977D DE168977DA DE168977C DE 168977 C DE168977 C DE 168977C DE NDAT168977 D DENDAT168977 D DE NDAT168977D DE 168977D A DE168977D A DE 168977DA DE 168977 C DE168977 C DE 168977C
- Authority
- DE
- Germany
- Prior art keywords
- lens
- components
- glass
- flint
- biconvex lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000005308 flint glass Substances 0.000 claims description 4
- 229910052788 barium Inorganic materials 0.000 claims description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 2
- 230000005499 meniscus Effects 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 244000089486 Phragmites australis subsp australis Species 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/02—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having one + component only
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE168977C true DE168977C (forum.php) |
Family
ID=434142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT168977D Active DE168977C (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE168977C (forum.php) |
-
0
- DE DENDAT168977D patent/DE168977C/de active Active
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