JPS57201213A - Microminiature zoom lens - Google Patents
Microminiature zoom lensInfo
- Publication number
- JPS57201213A JPS57201213A JP56086188A JP8618881A JPS57201213A JP S57201213 A JPS57201213 A JP S57201213A JP 56086188 A JP56086188 A JP 56086188A JP 8618881 A JP8618881 A JP 8618881A JP S57201213 A JPS57201213 A JP S57201213A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- positive
- negative
- lenses
- 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.)
- Granted
Links
Classifications
-
- 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
- G02B15/142—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 two groups only
-
- 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
- G02B15/142—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 two groups only
- G02B15/1421—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 two groups only the first group being positive
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56086188A JPS57201213A (en) | 1981-06-04 | 1981-06-04 | Microminiature zoom lens |
US06/699,026 US4682860A (en) | 1980-03-14 | 1985-02-07 | Ultrasmall size zoom lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56086188A JPS57201213A (en) | 1981-06-04 | 1981-06-04 | Microminiature zoom lens |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57201213A true JPS57201213A (en) | 1982-12-09 |
JPH0434125B2 JPH0434125B2 (US20100223739A1-20100909-C00005.png) | 1992-06-05 |
Family
ID=13879787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56086188A Granted JPS57201213A (en) | 1980-03-14 | 1981-06-04 | Microminiature zoom lens |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57201213A (US20100223739A1-20100909-C00005.png) |
Cited By (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6057814A (ja) * | 1983-09-09 | 1985-04-03 | Minolta Camera Co Ltd | バックフォ−カスの短いコンパクトなズ−ムレンズ系 |
JPS60263113A (ja) * | 1984-06-11 | 1985-12-26 | Canon Inc | 小型のズ−ムレンズ |
JPS6115115A (ja) * | 1984-07-02 | 1986-01-23 | Canon Inc | コンパクトなズ−ムレンズ |
JPS6187119A (ja) * | 1984-10-05 | 1986-05-02 | Canon Inc | 小型のズ−ムレンズ |
JPS6187120A (ja) * | 1984-10-05 | 1986-05-02 | Canon Inc | 小型のズ−ムレンズ |
JPS61159612A (ja) * | 1984-12-13 | 1986-07-19 | Canon Inc | 小型のズ−ムレンズ |
JPS62138817A (ja) * | 1985-12-12 | 1987-06-22 | Canon Inc | 小型のズ−ムレンズ |
US4701033A (en) * | 1983-09-09 | 1987-10-20 | Minolta Camera Kabushiki Kaisha | Variable focal length lens system |
JPS62264019A (ja) * | 1985-11-28 | 1987-11-17 | Asahi Optical Co Ltd | コンパクトカメラ用ズ−ムレンズ |
JPS62284319A (ja) * | 1986-06-03 | 1987-12-10 | Olympus Optical Co Ltd | コンパクトなズ−ムレンズ |
US4772106A (en) * | 1986-04-25 | 1988-09-20 | Olympus Optical Co., Ltd. | Compact zoom lens system |
US4773744A (en) * | 1986-12-18 | 1988-09-27 | Olympus Optical Co., Ltd. | Compact zoom lens system with a high zooming ratio |
US4822152A (en) * | 1986-08-11 | 1989-04-18 | Olympus Optical Co., Ltd. | Compact high-vari-focal ratio zoom lens system |
US4840467A (en) * | 1986-12-25 | 1989-06-20 | Olympus Optical Co., Ltd. | Compact zoom lens system with a high zooming ratio |
JPH01193807A (ja) * | 1988-01-29 | 1989-08-03 | Canon Inc | 小型のズームレンズ |
US4854682A (en) * | 1987-11-13 | 1989-08-08 | Olympus Optical Co., Ltd. | Compact high vari-focal ratio zoom lens system |
DE3902495A1 (de) * | 1988-01-29 | 1989-08-10 | Asahi Optical Co Ltd | Zoom-linsensystem fuer die verwendung in einer kompaktkamera |
DE3909755A1 (de) * | 1988-03-25 | 1989-10-05 | Asahi Optical Co Ltd | Zoom-linsen-system mit hohem zoom-verhaeltnis zum gebrauch in einer kompakt-kamera |
JPH026917A (ja) * | 1988-04-15 | 1990-01-11 | Konica Corp | 小型の可変焦点距離レンズ |
JPH0218511A (ja) * | 1988-07-06 | 1990-01-22 | Olympus Optical Co Ltd | ズームレンズ |
DE3930032A1 (de) * | 1988-09-08 | 1990-03-15 | Asahi Optical Co Ltd | Zoomlinsensystem mit hohem brennweitenverhaeltnis zur verwendung in einer kompaktkamera |
JPH02120714A (ja) * | 1988-10-31 | 1990-05-08 | Canon Inc | 小型のズームレンズ |
JPH02190812A (ja) * | 1989-01-20 | 1990-07-26 | Canon Inc | 2群ズームレンズ |
US5002373A (en) * | 1988-02-10 | 1991-03-26 | Olympus Optical Co., Ltd. | Zoom lens system of inner focus type |
DE4030757A1 (de) * | 1989-09-29 | 1991-04-18 | Asahi Optical Co Ltd | Zoomlinsensystem fuer den einsatz an einer kompaktkamera |
DE4033293A1 (de) * | 1989-10-19 | 1991-04-25 | Asahi Optical Co Ltd | Zoomobjektivsystem fuer den einsatz an einer kompaktkamera mit einer weiten erfassung von winkeln |
DE4037213A1 (de) * | 1989-11-21 | 1991-06-13 | Asahi Optical Co Ltd | Zoom-objektivsystem fuer den einsatz in einer kompaktkamera mit einem weiten winkelerfassungsbereich |
JPH03180808A (ja) * | 1989-12-11 | 1991-08-06 | Konica Corp | 小型のズームレンズ |
US5069536A (en) * | 1988-05-31 | 1991-12-03 | Olympus Optical Company, Ltd. | Zoom lens system |
DE4139431A1 (de) * | 1990-11-30 | 1992-06-04 | Asahi Optical Co Ltd | Zoomobjektivsystem |
US5162947A (en) * | 1989-10-19 | 1992-11-10 | Asahi Kogaku Kogyo K.K. | Zoom lens system for use with a compact camera having a wide coverage of angles |
US5218478A (en) * | 1989-11-17 | 1993-06-08 | Canon Kabushiki Kaisha | Small-sized zoom lens |
US5267084A (en) * | 1991-07-24 | 1993-11-30 | Olympus Optical Co., Ltd. | Compact, fast zoom lens system |
US5365376A (en) * | 1991-09-02 | 1994-11-15 | Canon Kabushiki Kaisha | Zoom lens |
DE4042543C2 (de) * | 1989-11-21 | 1995-07-20 | Asahi Optical Co Ltd | Varioobjektiv für eine Kompaktkamera |
JPH07306361A (ja) * | 1994-05-11 | 1995-11-21 | Canon Inc | 小型のズームレンズ |
JPH0829683A (ja) * | 1994-07-13 | 1996-02-02 | Canon Inc | 小型のズームレンズ |
DE3943741C2 (de) * | 1988-09-08 | 1996-02-22 | Asahi Optical Co Ltd | Varioobjektiv für eine Kamera |
US5574523A (en) * | 1991-10-23 | 1996-11-12 | Canon Kabushiki Kaisha | Camera capable of varying size of image plane |
US5585971A (en) * | 1993-03-30 | 1996-12-17 | Canon Kabushiki Kaisha | Small-sized variable magnification lens |
DE4042554C2 (de) * | 1989-09-29 | 1996-12-19 | Asahi Optical Co Ltd | Varioobjektiv |
US5687027A (en) * | 1995-03-02 | 1997-11-11 | Canon Kabushiki Kaisha | Zoom lens for optical apparatus such as camera |
US5757556A (en) * | 1995-05-10 | 1998-05-26 | Canon Kabushiki Kaisha | Zoom lens |
US5798873A (en) * | 1993-11-25 | 1998-08-25 | Canon Kabushiki Kaisha | Small-sized zoom lens |
US5815320A (en) * | 1993-01-14 | 1998-09-29 | Canon Kabushiki Kaisha | Zoom lens |
US5831772A (en) * | 1993-04-07 | 1998-11-03 | Canon Kabushiki Kaisha | Compact zoom lens |
US5844725A (en) * | 1994-09-06 | 1998-12-01 | Canon Kabushiki Kaisha | Zoom lens |
US6008953A (en) * | 1996-07-26 | 1999-12-28 | Canon Kabushiki Kaisha | Zoom lens |
US6215600B1 (en) | 1997-09-30 | 2001-04-10 | Canon Kabushiki Kaisha | Zoom lens |
US6219190B1 (en) | 1998-11-06 | 2001-04-17 | Canon Kabushiki Kaisha | Zoom lens |
US6384986B1 (en) | 1999-02-02 | 2002-05-07 | Canon Kabushiki Kaisha | Zoom lens and optical apparatus having the same |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4838138A (US20100223739A1-20100909-C00005.png) * | 1972-09-11 | 1973-06-05 | ||
JPS5039563A (US20100223739A1-20100909-C00005.png) * | 1973-07-09 | 1975-04-11 | ||
JPS5427426A (en) * | 1977-08-02 | 1979-03-01 | Canon Inc | Telephoto lens |
-
1981
- 1981-06-04 JP JP56086188A patent/JPS57201213A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4838138A (US20100223739A1-20100909-C00005.png) * | 1972-09-11 | 1973-06-05 | ||
JPS5039563A (US20100223739A1-20100909-C00005.png) * | 1973-07-09 | 1975-04-11 | ||
JPS5427426A (en) * | 1977-08-02 | 1979-03-01 | Canon Inc | Telephoto lens |
Cited By (66)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6057814A (ja) * | 1983-09-09 | 1985-04-03 | Minolta Camera Co Ltd | バックフォ−カスの短いコンパクトなズ−ムレンズ系 |
US4701033A (en) * | 1983-09-09 | 1987-10-20 | Minolta Camera Kabushiki Kaisha | Variable focal length lens system |
JPH0470609B2 (US20100223739A1-20100909-C00005.png) * | 1983-09-09 | 1992-11-11 | Minolta Camera Kk | |
JPS6361641B2 (US20100223739A1-20100909-C00005.png) * | 1984-06-11 | 1988-11-29 | ||
JPS60263113A (ja) * | 1984-06-11 | 1985-12-26 | Canon Inc | 小型のズ−ムレンズ |
JPS6115115A (ja) * | 1984-07-02 | 1986-01-23 | Canon Inc | コンパクトなズ−ムレンズ |
JPS6187119A (ja) * | 1984-10-05 | 1986-05-02 | Canon Inc | 小型のズ−ムレンズ |
JPS6187120A (ja) * | 1984-10-05 | 1986-05-02 | Canon Inc | 小型のズ−ムレンズ |
JPS61159612A (ja) * | 1984-12-13 | 1986-07-19 | Canon Inc | 小型のズ−ムレンズ |
JPS62264019A (ja) * | 1985-11-28 | 1987-11-17 | Asahi Optical Co Ltd | コンパクトカメラ用ズ−ムレンズ |
JPH0431565B2 (US20100223739A1-20100909-C00005.png) * | 1985-11-28 | 1992-05-26 | ||
JPS62138817A (ja) * | 1985-12-12 | 1987-06-22 | Canon Inc | 小型のズ−ムレンズ |
US4772106A (en) * | 1986-04-25 | 1988-09-20 | Olympus Optical Co., Ltd. | Compact zoom lens system |
JPS62284319A (ja) * | 1986-06-03 | 1987-12-10 | Olympus Optical Co Ltd | コンパクトなズ−ムレンズ |
US4822152A (en) * | 1986-08-11 | 1989-04-18 | Olympus Optical Co., Ltd. | Compact high-vari-focal ratio zoom lens system |
US4773744A (en) * | 1986-12-18 | 1988-09-27 | Olympus Optical Co., Ltd. | Compact zoom lens system with a high zooming ratio |
US4840467A (en) * | 1986-12-25 | 1989-06-20 | Olympus Optical Co., Ltd. | Compact zoom lens system with a high zooming ratio |
US4854682A (en) * | 1987-11-13 | 1989-08-08 | Olympus Optical Co., Ltd. | Compact high vari-focal ratio zoom lens system |
US4906077A (en) * | 1988-01-29 | 1990-03-06 | Asahi Kogaku Kogyo Kabushiki Kaisha | Zoom lens system for use in a compact camera |
DE3902495A1 (de) * | 1988-01-29 | 1989-08-10 | Asahi Optical Co Ltd | Zoom-linsensystem fuer die verwendung in einer kompaktkamera |
JPH01193807A (ja) * | 1988-01-29 | 1989-08-03 | Canon Inc | 小型のズームレンズ |
US5002373A (en) * | 1988-02-10 | 1991-03-26 | Olympus Optical Co., Ltd. | Zoom lens system of inner focus type |
DE3909755A1 (de) * | 1988-03-25 | 1989-10-05 | Asahi Optical Co Ltd | Zoom-linsen-system mit hohem zoom-verhaeltnis zum gebrauch in einer kompakt-kamera |
US4984877A (en) * | 1988-03-25 | 1991-01-15 | Asahi Kogaku Kogyo Kabushiki Kaishi | High zoom-ratio/zoom lens system for use in a compact camera |
JPH026917A (ja) * | 1988-04-15 | 1990-01-11 | Konica Corp | 小型の可変焦点距離レンズ |
US5069536A (en) * | 1988-05-31 | 1991-12-03 | Olympus Optical Company, Ltd. | Zoom lens system |
JPH0218511A (ja) * | 1988-07-06 | 1990-01-22 | Olympus Optical Co Ltd | ズームレンズ |
DE3943741C2 (de) * | 1988-09-08 | 1996-02-22 | Asahi Optical Co Ltd | Varioobjektiv für eine Kamera |
US4978204A (en) * | 1988-09-08 | 1990-12-18 | Asahi Kogaku Kogyo Kabushik Kaisha | High zoom-ratio zoom lens system for use in a compact camera |
DE3930032A1 (de) * | 1988-09-08 | 1990-03-15 | Asahi Optical Co Ltd | Zoomlinsensystem mit hohem brennweitenverhaeltnis zur verwendung in einer kompaktkamera |
JPH02120714A (ja) * | 1988-10-31 | 1990-05-08 | Canon Inc | 小型のズームレンズ |
JPH02190812A (ja) * | 1989-01-20 | 1990-07-26 | Canon Inc | 2群ズームレンズ |
US5434712A (en) * | 1989-09-29 | 1995-07-18 | Asahi Kogaku Kogyo Kabushiki Kaisha | Zoom lens system for use with a compact camera |
US5309285A (en) * | 1989-09-29 | 1994-05-03 | Asahi Kogaku Kogyo Kabushiki Kaisha | Zoom lens system for use with a compact camera |
DE4042554C2 (de) * | 1989-09-29 | 1996-12-19 | Asahi Optical Co Ltd | Varioobjektiv |
DE4030757A1 (de) * | 1989-09-29 | 1991-04-18 | Asahi Optical Co Ltd | Zoomlinsensystem fuer den einsatz an einer kompaktkamera |
DE4030757C2 (de) * | 1989-09-29 | 1994-09-08 | Asahi Optical Co Ltd | Varioobjektiv für den Einsatz an einer Kompaktkamera |
US5162947A (en) * | 1989-10-19 | 1992-11-10 | Asahi Kogaku Kogyo K.K. | Zoom lens system for use with a compact camera having a wide coverage of angles |
DE4033293A1 (de) * | 1989-10-19 | 1991-04-25 | Asahi Optical Co Ltd | Zoomobjektivsystem fuer den einsatz an einer kompaktkamera mit einer weiten erfassung von winkeln |
US5218478A (en) * | 1989-11-17 | 1993-06-08 | Canon Kabushiki Kaisha | Small-sized zoom lens |
US5164859A (en) * | 1989-11-21 | 1992-11-17 | Asahi Kogaku Kogyo K.K. | Zoom lens system for use with a compact camera having a wide coverage of angles |
DE4042543C2 (de) * | 1989-11-21 | 1995-07-20 | Asahi Optical Co Ltd | Varioobjektiv für eine Kompaktkamera |
DE4042542C2 (de) * | 1989-11-21 | 2001-02-15 | Asahi Optical Co Ltd | Varioobjektiv für eine Kompaktkamera |
DE4037213A1 (de) * | 1989-11-21 | 1991-06-13 | Asahi Optical Co Ltd | Zoom-objektivsystem fuer den einsatz in einer kompaktkamera mit einem weiten winkelerfassungsbereich |
DE4042540C2 (de) * | 1989-11-21 | 1997-04-10 | Asahi Optical Co Ltd | Varioobjektiv für eine Kompaktkamera |
JPH03180808A (ja) * | 1989-12-11 | 1991-08-06 | Konica Corp | 小型のズームレンズ |
DE4139431A1 (de) * | 1990-11-30 | 1992-06-04 | Asahi Optical Co Ltd | Zoomobjektivsystem |
US5280390A (en) * | 1990-11-30 | 1994-01-18 | Asahi Kogaku Kogyo K.K. | Zoom lens system |
DE4139431C2 (de) * | 1990-11-30 | 2002-09-19 | Asahi Optical Co Ltd | Varioobjektiv |
US5267084A (en) * | 1991-07-24 | 1993-11-30 | Olympus Optical Co., Ltd. | Compact, fast zoom lens system |
US5365376A (en) * | 1991-09-02 | 1994-11-15 | Canon Kabushiki Kaisha | Zoom lens |
US6134389A (en) * | 1991-10-23 | 2000-10-17 | Canon Kabushiki Kaisha | Camera capable of varying size of image plane |
US5574523A (en) * | 1991-10-23 | 1996-11-12 | Canon Kabushiki Kaisha | Camera capable of varying size of image plane |
US5815320A (en) * | 1993-01-14 | 1998-09-29 | Canon Kabushiki Kaisha | Zoom lens |
US5585971A (en) * | 1993-03-30 | 1996-12-17 | Canon Kabushiki Kaisha | Small-sized variable magnification lens |
US5831772A (en) * | 1993-04-07 | 1998-11-03 | Canon Kabushiki Kaisha | Compact zoom lens |
US5798873A (en) * | 1993-11-25 | 1998-08-25 | Canon Kabushiki Kaisha | Small-sized zoom lens |
JPH07306361A (ja) * | 1994-05-11 | 1995-11-21 | Canon Inc | 小型のズームレンズ |
JPH0829683A (ja) * | 1994-07-13 | 1996-02-02 | Canon Inc | 小型のズームレンズ |
US5844725A (en) * | 1994-09-06 | 1998-12-01 | Canon Kabushiki Kaisha | Zoom lens |
US5687027A (en) * | 1995-03-02 | 1997-11-11 | Canon Kabushiki Kaisha | Zoom lens for optical apparatus such as camera |
US5757556A (en) * | 1995-05-10 | 1998-05-26 | Canon Kabushiki Kaisha | Zoom lens |
US6008953A (en) * | 1996-07-26 | 1999-12-28 | Canon Kabushiki Kaisha | Zoom lens |
US6215600B1 (en) | 1997-09-30 | 2001-04-10 | Canon Kabushiki Kaisha | Zoom lens |
US6219190B1 (en) | 1998-11-06 | 2001-04-17 | Canon Kabushiki Kaisha | Zoom lens |
US6384986B1 (en) | 1999-02-02 | 2002-05-07 | Canon Kabushiki Kaisha | Zoom lens and optical apparatus having the same |
Also Published As
Publication number | Publication date |
---|---|
JPH0434125B2 (US20100223739A1-20100909-C00005.png) | 1992-06-05 |
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