JPS6113567B2 - - Google Patents
Info
- Publication number
- JPS6113567B2 JPS6113567B2 JP5033577A JP5033577A JPS6113567B2 JP S6113567 B2 JPS6113567 B2 JP S6113567B2 JP 5033577 A JP5033577 A JP 5033577A JP 5033577 A JP5033577 A JP 5033577A JP S6113567 B2 JPS6113567 B2 JP S6113567B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- eye
- positive
- eye lens
- negative
- 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.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 claims description 17
- 239000004033 plastic Substances 0.000 claims description 13
- 229920003023 plastic Polymers 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 5
- 230000004075 alteration Effects 0.000 description 21
- 238000010586 diagram Methods 0.000 description 16
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 6
- 230000000007 visual effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000011514 reflex Effects 0.000 description 4
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 206010010071 Coma Diseases 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000005304 optical glass Substances 0.000 description 2
- 206010073261 Ovarian theca cell tumour Diseases 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 description 1
- 229920000638 styrene acrylonitrile Polymers 0.000 description 1
- 208000001644 thecoma Diseases 0.000 description 1
Landscapes
- Viewfinders (AREA)
- Lenses (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5033577A JPS53135657A (en) | 1977-04-30 | 1977-04-30 | Eye lens in eyepiece system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5033577A JPS53135657A (en) | 1977-04-30 | 1977-04-30 | Eye lens in eyepiece system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS53135657A JPS53135657A (en) | 1978-11-27 |
| JPS6113567B2 true JPS6113567B2 (enrdf_load_stackoverflow) | 1986-04-14 |
Family
ID=12856036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5033577A Granted JPS53135657A (en) | 1977-04-30 | 1977-04-30 | Eye lens in eyepiece system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS53135657A (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60191221A (ja) * | 1984-03-12 | 1985-09-28 | Minolta Camera Co Ltd | 接眼レンズ光学系 |
| JP2605016B2 (ja) * | 1986-04-30 | 1997-04-30 | オリンパス光学工業株式会社 | 接眼レンズ |
| US5136427A (en) * | 1989-01-09 | 1992-08-04 | Asahi Kogaku K.K. | Optical system for use with a viewfinder |
| JPH0453886U (enrdf_load_stackoverflow) * | 1990-09-13 | 1992-05-08 | ||
| JPH09318066A (ja) | 1996-05-31 | 1997-12-12 | Matsushita Electric Ind Co Ltd | 高周波加熱調理器 |
| US6958863B2 (en) | 2001-01-30 | 2005-10-25 | Olympus Corporation | Image pickup system |
-
1977
- 1977-04-30 JP JP5033577A patent/JPS53135657A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS53135657A (en) | 1978-11-27 |
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