JP7170527B2 - 広角ズームレンズおよび撮像装置 - Google Patents

広角ズームレンズおよび撮像装置 Download PDF

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Publication number
JP7170527B2
JP7170527B2 JP2018240375A JP2018240375A JP7170527B2 JP 7170527 B2 JP7170527 B2 JP 7170527B2 JP 2018240375 A JP2018240375 A JP 2018240375A JP 2018240375 A JP2018240375 A JP 2018240375A JP 7170527 B2 JP7170527 B2 JP 7170527B2
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Japan
Prior art keywords
lens
wide
lens group
focal length
conditional expression
Prior art date
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Active
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JP2018240375A
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English (en)
Japanese (ja)
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JP2020101719A (ja
Inventor
浩文 太幡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tamron Co Ltd
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Tamron Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Tamron Co Ltd filed Critical Tamron Co Ltd
Priority to JP2018240375A priority Critical patent/JP7170527B2/ja
Priority to CN201911131434.4A priority patent/CN111352223B/zh
Publication of JP2020101719A publication Critical patent/JP2020101719A/ja
Application granted granted Critical
Publication of JP7170527B2 publication Critical patent/JP7170527B2/ja
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    • 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
    • G02B15/177—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 negative front lens or group of lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
    • G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
    • G02B13/0035—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having three lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP2018240375A 2018-12-21 2018-12-21 広角ズームレンズおよび撮像装置 Active JP7170527B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2018240375A JP7170527B2 (ja) 2018-12-21 2018-12-21 広角ズームレンズおよび撮像装置
CN201911131434.4A CN111352223B (zh) 2018-12-21 2019-11-19 广角变焦镜头和摄像装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018240375A JP7170527B2 (ja) 2018-12-21 2018-12-21 広角ズームレンズおよび撮像装置

Publications (2)

Publication Number Publication Date
JP2020101719A JP2020101719A (ja) 2020-07-02
JP7170527B2 true JP7170527B2 (ja) 2022-11-14

Family

ID=71139510

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018240375A Active JP7170527B2 (ja) 2018-12-21 2018-12-21 広角ズームレンズおよび撮像装置

Country Status (2)

Country Link
JP (1) JP7170527B2 (zh)
CN (1) CN111352223B (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021148872A (ja) * 2020-03-17 2021-09-27 株式会社タムロン ズームレンズおよび撮像装置
JPWO2021251074A1 (zh) 2020-06-11 2021-12-16

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004271668A (ja) 2003-03-06 2004-09-30 Casio Comput Co Ltd 投影レンズ
JP2004317645A (ja) 2003-04-14 2004-11-11 Casio Comput Co Ltd 投影レンズ
JP2010266577A (ja) 2009-05-13 2010-11-25 Canon Inc 光学系及びそれを有する光学機器
JP2011053663A (ja) 2009-08-04 2011-03-17 Konica Minolta Opto Inc 光学系及びそれを備えた画像投影装置及び撮像装置
JP2011013469A5 (zh) 2009-07-02 2012-08-02
CN205301692U (zh) 2015-12-17 2016-06-08 中山联合光电科技股份有限公司 一种大视角小体积低成本变焦距光学系统
US20160313542A1 (en) 2015-04-24 2016-10-27 Coretronic Corporation Projection apparatus and projection lens

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5424745B2 (ja) * 2009-07-02 2014-02-26 キヤノン株式会社 光学系及びそれを有する光学機器
JP2012194238A (ja) * 2011-03-15 2012-10-11 Olympus Corp ズーム光学系またはそれを備えた撮像装置
JP5871630B2 (ja) * 2012-01-23 2016-03-01 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
JP6367707B2 (ja) * 2014-12-26 2018-08-01 株式会社タムロン ズームレンズ

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004271668A (ja) 2003-03-06 2004-09-30 Casio Comput Co Ltd 投影レンズ
JP2004317645A (ja) 2003-04-14 2004-11-11 Casio Comput Co Ltd 投影レンズ
JP2010266577A (ja) 2009-05-13 2010-11-25 Canon Inc 光学系及びそれを有する光学機器
JP2011013469A5 (zh) 2009-07-02 2012-08-02
JP2011053663A (ja) 2009-08-04 2011-03-17 Konica Minolta Opto Inc 光学系及びそれを備えた画像投影装置及び撮像装置
US20160313542A1 (en) 2015-04-24 2016-10-27 Coretronic Corporation Projection apparatus and projection lens
CN205301692U (zh) 2015-12-17 2016-06-08 中山联合光电科技股份有限公司 一种大视角小体积低成本变焦距光学系统

Also Published As

Publication number Publication date
CN111352223A (zh) 2020-06-30
CN111352223B (zh) 2023-04-28
JP2020101719A (ja) 2020-07-02

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