JPS6148131B2 - - Google Patents
Info
- Publication number
- JPS6148131B2 JPS6148131B2 JP56157007A JP15700781A JPS6148131B2 JP S6148131 B2 JPS6148131 B2 JP S6148131B2 JP 56157007 A JP56157007 A JP 56157007A JP 15700781 A JP15700781 A JP 15700781A JP S6148131 B2 JPS6148131 B2 JP S6148131B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- lenses
- positive
- negative
- group
- 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 9
- 230000005499 meniscus Effects 0.000 claims description 6
- 230000004075 alteration Effects 0.000 description 31
- 206010010071 Coma Diseases 0.000 description 10
- 238000012937 correction Methods 0.000 description 9
- 201000009310 astigmatism Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 206010073261 Ovarian theca cell tumour Diseases 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 208000001644 thecoma Diseases 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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15700781A JPS5858514A (ja) | 1981-10-02 | 1981-10-02 | 非球面を用いた大口径比広角写真レンズ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15700781A JPS5858514A (ja) | 1981-10-02 | 1981-10-02 | 非球面を用いた大口径比広角写真レンズ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5858514A JPS5858514A (ja) | 1983-04-07 |
JPS6148131B2 true JPS6148131B2 (US07993877-20110809-P00003.png) | 1986-10-22 |
Family
ID=15640135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15700781A Granted JPS5858514A (ja) | 1981-10-02 | 1981-10-02 | 非球面を用いた大口径比広角写真レンズ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5858514A (US07993877-20110809-P00003.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0651137U (ja) * | 1991-07-01 | 1994-07-12 | 有限会社コンペックス | 飲料容器 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6316462Y2 (US07993877-20110809-P00003.png) * | 1980-12-20 | 1988-05-11 | ||
JPH0812326B2 (ja) * | 1986-09-01 | 1996-02-07 | ミノルタ株式会社 | 逆望遠型広角レンズ |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4920215A (US07993877-20110809-P00003.png) * | 1972-06-15 | 1974-02-22 | ||
JPS4928336A (US07993877-20110809-P00003.png) * | 1972-07-04 | 1974-03-13 | ||
JPS5254456A (en) * | 1975-10-29 | 1977-05-02 | Nippon Chemical Ind | Wide angle zoom lens syste |
JPS52152250A (en) * | 1976-05-10 | 1977-12-17 | Asahi Optical Co Ltd | Zoom lens system |
JPS5339759A (en) * | 1976-09-22 | 1978-04-11 | Asahi Optical Co Ltd | Small sized bright wide zoom lens |
JPS53135658A (en) * | 1977-04-30 | 1978-11-27 | Asahi Optical Co Ltd | Zoom lens including ultraawide lens |
JPS5415733A (en) * | 1977-06-10 | 1979-02-05 | Asahi Optical Co Ltd | Lowwmagnification variableeangleelens system |
JPS5560911A (en) * | 1978-11-01 | 1980-05-08 | Mamiya Koki Kk | Wide angle zoom lens |
-
1981
- 1981-10-02 JP JP15700781A patent/JPS5858514A/ja active Granted
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4920215A (US07993877-20110809-P00003.png) * | 1972-06-15 | 1974-02-22 | ||
JPS4928336A (US07993877-20110809-P00003.png) * | 1972-07-04 | 1974-03-13 | ||
JPS5254456A (en) * | 1975-10-29 | 1977-05-02 | Nippon Chemical Ind | Wide angle zoom lens syste |
JPS52152250A (en) * | 1976-05-10 | 1977-12-17 | Asahi Optical Co Ltd | Zoom lens system |
JPS5339759A (en) * | 1976-09-22 | 1978-04-11 | Asahi Optical Co Ltd | Small sized bright wide zoom lens |
JPS53135658A (en) * | 1977-04-30 | 1978-11-27 | Asahi Optical Co Ltd | Zoom lens including ultraawide lens |
JPS5415733A (en) * | 1977-06-10 | 1979-02-05 | Asahi Optical Co Ltd | Lowwmagnification variableeangleelens system |
JPS5560911A (en) * | 1978-11-01 | 1980-05-08 | Mamiya Koki Kk | Wide angle zoom lens |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0651137U (ja) * | 1991-07-01 | 1994-07-12 | 有限会社コンペックス | 飲料容器 |
Also Published As
Publication number | Publication date |
---|---|
JPS5858514A (ja) | 1983-04-07 |
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