JPS5670516A - Large-aperture ratio lens - Google Patents
Large-aperture ratio lensInfo
- Publication number
- JPS5670516A JPS5670516A JP14752279A JP14752279A JPS5670516A JP S5670516 A JPS5670516 A JP S5670516A JP 14752279 A JP14752279 A JP 14752279A JP 14752279 A JP14752279 A JP 14752279A JP S5670516 A JPS5670516 A JP S5670516A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- lens group
- convex surface
- meniscus
- groups
- 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.)
- Granted
Links
- 230000005499 meniscus Effects 0.000 abstract 5
- 239000011521 glass Substances 0.000 abstract 2
- 230000004075 alteration Effects 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
Landscapes
- Lenses (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14752279A JPS5670516A (en) | 1979-11-14 | 1979-11-14 | Large-aperture ratio lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14752279A JPS5670516A (en) | 1979-11-14 | 1979-11-14 | Large-aperture ratio lens |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5670516A true JPS5670516A (en) | 1981-06-12 |
JPS6131846B2 JPS6131846B2 (en, 2012) | 1986-07-23 |
Family
ID=15432218
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14752279A Granted JPS5670516A (en) | 1979-11-14 | 1979-11-14 | Large-aperture ratio lens |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5670516A (en, 2012) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4671626A (en) * | 1984-03-21 | 1987-06-09 | Minolta Camera Kabushiki Kaisha | Photographic lens system |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03126656U (en, 2012) * | 1990-03-31 | 1991-12-20 |
-
1979
- 1979-11-14 JP JP14752279A patent/JPS5670516A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4671626A (en) * | 1984-03-21 | 1987-06-09 | Minolta Camera Kabushiki Kaisha | Photographic lens system |
Also Published As
Publication number | Publication date |
---|---|
JPS6131846B2 (en, 2012) | 1986-07-23 |
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