JPS60123817A - 非球面ズ−ムレンズ - Google Patents
非球面ズ−ムレンズInfo
- Publication number
- JPS60123817A JPS60123817A JP58231255A JP23125583A JPS60123817A JP S60123817 A JPS60123817 A JP S60123817A JP 58231255 A JP58231255 A JP 58231255A JP 23125583 A JP23125583 A JP 23125583A JP S60123817 A JPS60123817 A JP S60123817A
- Authority
- JP
- Japan
- Prior art keywords
- group
- lens
- positive
- refractive power
- aspherical
- 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 6
- 239000003818 cinder Substances 0.000 claims description 2
- 230000004075 alteration Effects 0.000 abstract description 22
- 230000003287 optical effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 210000001747 pupil Anatomy 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 241000218202 Coptis Species 0.000 description 1
- 235000002991 Coptis groenlandica Nutrition 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011148 porous material 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
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
-
- 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
- G02B15/145—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 five groups only
- G02B15/1451—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 five groups only the first group being positive
- G02B15/145125—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 five groups only the first group being positive arranged +--++
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58231255A JPS60123817A (ja) | 1983-12-09 | 1983-12-09 | 非球面ズ−ムレンズ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58231255A JPS60123817A (ja) | 1983-12-09 | 1983-12-09 | 非球面ズ−ムレンズ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60123817A true JPS60123817A (ja) | 1985-07-02 |
JPH0441805B2 JPH0441805B2 (enrdf_load_stackoverflow) | 1992-07-09 |
Family
ID=16920745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58231255A Granted JPS60123817A (ja) | 1983-12-09 | 1983-12-09 | 非球面ズ−ムレンズ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60123817A (enrdf_load_stackoverflow) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62178917A (ja) * | 1986-02-03 | 1987-08-06 | Olympus Optical Co Ltd | ズ−ムレンズ |
JPS63285510A (ja) * | 1987-05-18 | 1988-11-22 | Canon Inc | ズ−ムレンズ |
US4948234A (en) * | 1988-11-18 | 1990-08-14 | Olympus Optical Co., Ltd. | Zoom lens system |
US4969721A (en) * | 1988-09-07 | 1990-11-13 | Olympus Optical Co., Ltd. | Zoom lens system |
-
1983
- 1983-12-09 JP JP58231255A patent/JPS60123817A/ja active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62178917A (ja) * | 1986-02-03 | 1987-08-06 | Olympus Optical Co Ltd | ズ−ムレンズ |
JPS63285510A (ja) * | 1987-05-18 | 1988-11-22 | Canon Inc | ズ−ムレンズ |
US4969721A (en) * | 1988-09-07 | 1990-11-13 | Olympus Optical Co., Ltd. | Zoom lens system |
US4948234A (en) * | 1988-11-18 | 1990-08-14 | Olympus Optical Co., Ltd. | Zoom lens system |
Also Published As
Publication number | Publication date |
---|---|
JPH0441805B2 (enrdf_load_stackoverflow) | 1992-07-09 |
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