CN110208934B - 变焦镜头和摄像装置 - Google Patents
变焦镜头和摄像装置 Download PDFInfo
- Publication number
- CN110208934B CN110208934B CN201910149244.9A CN201910149244A CN110208934B CN 110208934 B CN110208934 B CN 110208934B CN 201910149244 A CN201910149244 A CN 201910149244A CN 110208934 B CN110208934 B CN 110208934B
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- China
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- lens
- lens unit
- zoom
- refractive power
- zoom lens
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- 230000014509 gene expression Effects 0.000 claims abstract description 64
- 239000006185 dispersion Substances 0.000 claims description 13
- 238000003384 imaging method Methods 0.000 abstract description 2
- 230000004075 alteration Effects 0.000 description 67
- 230000003287 optical effect Effects 0.000 description 63
- 238000010586 diagram Methods 0.000 description 40
- 239000000463 material Substances 0.000 description 21
- 239000011521 glass Substances 0.000 description 17
- 230000005499 meniscus Effects 0.000 description 17
- 239000013585 weight reducing agent Substances 0.000 description 10
- 230000001681 protective effect Effects 0.000 description 8
- 238000001228 spectrum Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 210000001747 pupil Anatomy 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
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- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 201000009310 astigmatism Diseases 0.000 description 1
- 108091008695 photoreceptors Proteins 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
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
- G02B15/144—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 four groups only
- G02B15/1441—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 four groups only the first group being positive
- G02B15/144113—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 four groups only the first group being positive arranged +-++
-
- 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
- G02B15/145129—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 +-+++
-
- 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
- G02B15/1461—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 the first group being positive
-
- 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
- G02B15/16—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
- G02B15/163—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
- G02B15/167—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses
-
- 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
- G02B15/16—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
- G02B15/163—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
- G02B15/167—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses
- G02B15/173—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses arranged +-+
-
- 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
- G02B15/16—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
- G02B15/20—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having an additional movable lens or lens group for varying the objective focal length
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Lenses (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018034959A JP7129178B2 (ja) | 2018-02-28 | 2018-02-28 | ズームレンズ及び撮像装置 |
| JP2018-034959 | 2018-02-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110208934A CN110208934A (zh) | 2019-09-06 |
| CN110208934B true CN110208934B (zh) | 2022-03-22 |
Family
ID=65520099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910149244.9A Active CN110208934B (zh) | 2018-02-28 | 2019-02-28 | 变焦镜头和摄像装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US11137586B2 (enExample) |
| EP (1) | EP3534197B1 (enExample) |
| JP (1) | JP7129178B2 (enExample) |
| CN (1) | CN110208934B (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020085934A (ja) | 2018-11-15 | 2020-06-04 | キヤノン株式会社 | ズームレンズ及び撮像装置 |
| JP7277304B2 (ja) | 2019-07-30 | 2023-05-18 | キヤノン株式会社 | ズームレンズおよび撮像装置 |
| JP7344715B2 (ja) | 2019-08-16 | 2023-09-14 | キヤノン株式会社 | ズームレンズおよび撮像装置 |
| JP7344714B2 (ja) | 2019-08-16 | 2023-09-14 | キヤノン株式会社 | ズームレンズおよび撮像装置 |
| JP7146715B2 (ja) | 2019-09-20 | 2022-10-04 | 富士フイルム株式会社 | ズームレンズおよび撮像装置 |
| US11754818B2 (en) | 2019-10-11 | 2023-09-12 | Canon Kabushiki Kaisha | Zoom lens and image pickup apparatus |
| JP7387373B2 (ja) * | 2019-10-11 | 2023-11-28 | キヤノン株式会社 | ズームレンズおよび撮像装置 |
| US11703669B2 (en) * | 2019-12-25 | 2023-07-18 | Canon Kabushiki Kaisha | Zoom lens and image pickup apparatus |
| JP7614874B2 (ja) | 2021-02-12 | 2025-01-16 | キヤノン株式会社 | ズームレンズおよび撮像装置 |
| JP7657601B2 (ja) | 2021-02-12 | 2025-04-07 | キヤノン株式会社 | ズームレンズおよび撮像装置 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2698660A2 (en) * | 2012-08-17 | 2014-02-19 | Canon Kabushiki Kaisha | Zoom lens and image pickup apparatus including the same |
| JP2017062303A (ja) * | 2015-09-24 | 2017-03-30 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5713774B2 (ja) * | 2011-04-14 | 2015-05-07 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
| JP5941364B2 (ja) * | 2012-07-25 | 2016-06-29 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
| JP6034647B2 (ja) * | 2012-10-16 | 2016-11-30 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
| JP6288916B2 (ja) | 2013-01-23 | 2018-03-07 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
| JP6418732B2 (ja) | 2013-08-08 | 2018-11-07 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
| JP6347590B2 (ja) | 2013-11-12 | 2018-06-27 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
| JP6529215B2 (ja) | 2013-11-12 | 2019-06-12 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
| JP2015094867A (ja) | 2013-11-12 | 2015-05-18 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
| JP6251009B2 (ja) | 2013-11-12 | 2017-12-20 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
| JP6129766B2 (ja) * | 2014-02-26 | 2017-05-17 | 富士フイルム株式会社 | ズームレンズおよび撮像装置 |
| JP2016071140A (ja) | 2014-09-30 | 2016-05-09 | 富士フイルム株式会社 | ズームレンズおよび撮像装置 |
| JP2016109952A (ja) | 2014-12-09 | 2016-06-20 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
| US9904043B2 (en) | 2015-10-20 | 2018-02-27 | Canon Kabushiki Kaisha | Zoom lens and image pickup apparatus including the same |
| JP6463250B2 (ja) | 2015-10-20 | 2019-01-30 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
| EP3159726B1 (en) | 2015-10-20 | 2024-07-03 | Canon Kabushiki Kaisha | Zoom lens and image pickup apparatus including the same |
| JP2017203912A (ja) * | 2016-05-13 | 2017-11-16 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
| JP6862203B2 (ja) | 2017-02-08 | 2021-04-21 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
-
2018
- 2018-02-28 JP JP2018034959A patent/JP7129178B2/ja active Active
-
2019
- 2019-02-21 EP EP19158451.5A patent/EP3534197B1/en active Active
- 2019-02-25 US US16/284,813 patent/US11137586B2/en active Active
- 2019-02-28 CN CN201910149244.9A patent/CN110208934B/zh active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2698660A2 (en) * | 2012-08-17 | 2014-02-19 | Canon Kabushiki Kaisha | Zoom lens and image pickup apparatus including the same |
| JP2017062303A (ja) * | 2015-09-24 | 2017-03-30 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7129178B2 (ja) | 2022-09-01 |
| US20190265451A1 (en) | 2019-08-29 |
| CN110208934A (zh) | 2019-09-06 |
| JP2019148758A (ja) | 2019-09-05 |
| US11137586B2 (en) | 2021-10-05 |
| EP3534197B1 (en) | 2023-10-18 |
| EP3534197A1 (en) | 2019-09-04 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |