JPS5944602B2 - ズ−ム・レンズ - Google Patents
ズ−ム・レンズInfo
- Publication number
- JPS5944602B2 JPS5944602B2 JP50123168A JP12316875A JPS5944602B2 JP S5944602 B2 JPS5944602 B2 JP S5944602B2 JP 50123168 A JP50123168 A JP 50123168A JP 12316875 A JP12316875 A JP 12316875A JP S5944602 B2 JPS5944602 B2 JP S5944602B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- concave
- lenses
- convex
- meniscus
- 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
- 230000005499 meniscus Effects 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims 3
- 239000006185 dispersion Substances 0.000 claims 1
- 238000003384 imaging method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000003287 optical effect Effects 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
- G02B13/24—Optical objectives specially designed for the purposes specified below for reproducing or copying at short object distances
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/146—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having more than five groups
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
- Hydrogenated Pyridines (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US515766A US3912374A (en) | 1974-10-17 | 1974-10-17 | Six component zoom lens |
| US515766 | 1983-07-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5165649A JPS5165649A (esLanguage) | 1976-06-07 |
| JPS5944602B2 true JPS5944602B2 (ja) | 1984-10-31 |
Family
ID=24052650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50123168A Expired JPS5944602B2 (ja) | 1974-10-17 | 1975-10-13 | ズ−ム・レンズ |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3912374A (esLanguage) |
| JP (1) | JPS5944602B2 (esLanguage) |
| CA (1) | CA1041336A (esLanguage) |
| DE (1) | DE2546040C2 (esLanguage) |
| FR (1) | FR2288323A1 (esLanguage) |
| GB (1) | GB1519300A (esLanguage) |
| NL (1) | NL7512031A (esLanguage) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4149774A (en) * | 1977-11-14 | 1979-04-17 | Fuji Photo Optical Co., Ltd. | Zoom lens system |
| JPS5768810A (en) * | 1980-10-18 | 1982-04-27 | Asahi Optical Co Ltd | Variable nagnification lens system for copying |
| US4812021A (en) * | 1987-10-07 | 1989-03-14 | Xerox Corporation | Wide angle zoom lens |
| JP2562636B2 (ja) * | 1987-12-25 | 1996-12-11 | 富士写真光機株式会社 | 複写用変倍レンズ系 |
| CN110941086B (zh) * | 2019-12-19 | 2021-12-28 | 福建福光股份有限公司 | 一种超短型低畸变微光成像光学系统 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5713849B1 (esLanguage) * | 1969-09-08 | 1982-03-19 | ||
| US3687522A (en) * | 1971-02-01 | 1972-08-29 | Ilex Optical Co Inc | Variable magnification lens system for finite conjugate distances |
| US3865470A (en) * | 1973-09-04 | 1975-02-11 | Xerox Corp | Variable magnification lens system |
-
1974
- 1974-10-17 US US515766A patent/US3912374A/en not_active Expired - Lifetime
-
1975
- 1975-09-25 CA CA236,342A patent/CA1041336A/en not_active Expired
- 1975-10-03 GB GB40528/75A patent/GB1519300A/en not_active Expired
- 1975-10-13 JP JP50123168A patent/JPS5944602B2/ja not_active Expired
- 1975-10-13 NL NL7512031A patent/NL7512031A/xx not_active Application Discontinuation
- 1975-10-14 DE DE2546040A patent/DE2546040C2/de not_active Expired
- 1975-10-17 FR FR7531913A patent/FR2288323A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US3912374A (en) | 1975-10-14 |
| CA1041336A (en) | 1978-10-31 |
| DE2546040C2 (de) | 1984-11-22 |
| JPS5165649A (esLanguage) | 1976-06-07 |
| FR2288323B1 (esLanguage) | 1982-03-26 |
| FR2288323A1 (fr) | 1976-05-14 |
| DE2546040A1 (de) | 1976-04-22 |
| GB1519300A (en) | 1978-07-26 |
| NL7512031A (nl) | 1976-04-21 |
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