JPS5964809A - 広角レンズ - Google Patents
広角レンズInfo
- Publication number
- JPS5964809A JPS5964809A JP57174467A JP17446782A JPS5964809A JP S5964809 A JPS5964809 A JP S5964809A JP 57174467 A JP57174467 A JP 57174467A JP 17446782 A JP17446782 A JP 17446782A JP S5964809 A JPS5964809 A JP S5964809A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- group
- lens group
- focal length
- object side
- 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 claims abstract description 3
- 239000011521 glass Substances 0.000 claims abstract 2
- 239000000463 material Substances 0.000 claims abstract 2
- 239000002131 composite material Substances 0.000 claims description 2
- 230000004075 alteration Effects 0.000 abstract description 38
- 230000014509 gene expression Effects 0.000 abstract 1
- 201000009310 astigmatism Diseases 0.000 description 8
- 206010010071 Coma Diseases 0.000 description 7
- 238000000034 method Methods 0.000 description 2
- DSSYKIVIOFKYAU-XCBNKYQSSA-N (R)-camphor Chemical class C1C[C@@]2(C)C(=O)C[C@@H]1C2(C)C DSSYKIVIOFKYAU-XCBNKYQSSA-N 0.000 description 1
- 241000723346 Cinnamomum camphora Species 0.000 description 1
- 229960000846 camphor Drugs 0.000 description 1
- 229930008380 camphor Natural products 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000013589 supplement Substances 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
-
- 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 -
- G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57174467A JPS5964809A (ja) | 1982-10-06 | 1982-10-06 | 広角レンズ |
| GB08326660A GB2131198A (en) | 1982-10-06 | 1983-10-05 | Wide angle lens having four lenses |
| DE19833336433 DE3336433A1 (de) | 1982-10-06 | 1983-10-06 | Weitwinkelobjektiv |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57174467A JPS5964809A (ja) | 1982-10-06 | 1982-10-06 | 広角レンズ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5964809A true JPS5964809A (ja) | 1984-04-12 |
| JPH0250445B2 JPH0250445B2 (enrdf_load_stackoverflow) | 1990-11-02 |
Family
ID=15978989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57174467A Granted JPS5964809A (ja) | 1982-10-06 | 1982-10-06 | 広角レンズ |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5964809A (enrdf_load_stackoverflow) |
| DE (1) | DE3336433A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2131198A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4688906A (en) * | 1985-12-30 | 1987-08-25 | Capitol Records | Three dimensional reflex lens systems |
| JP4233062B2 (ja) * | 1997-03-26 | 2009-03-04 | フジノン株式会社 | 結像レンズ |
| RU2183341C1 (ru) * | 2000-10-26 | 2002-06-10 | Открытое акционерное общество "Красногорский завод им. С.А. Зверева" | Светосильный объектив |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB618360A (en) * | 1946-10-25 | 1949-02-21 | Eastman Kodak Co | Improvements in or relating to photographic objectives |
| US3861799A (en) * | 1973-01-26 | 1975-01-21 | Minnesota Mining & Mfg | Camera |
| JPS5573014A (en) * | 1978-11-28 | 1980-06-02 | Olympus Optical Co Ltd | Photographic lens |
-
1982
- 1982-10-06 JP JP57174467A patent/JPS5964809A/ja active Granted
-
1983
- 1983-10-05 GB GB08326660A patent/GB2131198A/en not_active Withdrawn
- 1983-10-06 DE DE19833336433 patent/DE3336433A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB2131198A (en) | 1984-06-13 |
| JPH0250445B2 (enrdf_load_stackoverflow) | 1990-11-02 |
| GB8326660D0 (en) | 1983-11-09 |
| DE3336433A1 (de) | 1984-04-12 |
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