CN104849841B - 变焦透镜和包括该变焦透镜的图像拾取装置 - Google Patents

变焦透镜和包括该变焦透镜的图像拾取装置 Download PDF

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Publication number
CN104849841B
CN104849841B CN201510069278.9A CN201510069278A CN104849841B CN 104849841 B CN104849841 B CN 104849841B CN 201510069278 A CN201510069278 A CN 201510069278A CN 104849841 B CN104849841 B CN 104849841B
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China
Prior art keywords
lens
zoom
unit
lens unit
subelement
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Expired - Fee Related
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CN201510069278.9A
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English (en)
Chinese (zh)
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CN104849841A (zh
Inventor
前泷聪
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Canon Inc
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Canon Inc
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Publication of CN104849841A publication Critical patent/CN104849841A/zh
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Expired - Fee Related legal-status Critical Current
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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
    • G02B15/145—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
    • G02B15/145121—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
    • G02B15/144—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
    • G02B15/1445—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 negative
    • G02B15/144511—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 negative 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
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
    • G02B7/38—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals measured at different points on the optical axis, e.g. focussing on two or more planes and comparing image data

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Nonlinear Science (AREA)
CN201510069278.9A 2014-02-14 2015-02-10 变焦透镜和包括该变焦透镜的图像拾取装置 Expired - Fee Related CN104849841B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014026486A JP6300558B2 (ja) 2014-02-14 2014-02-14 ズームレンズ及びそれを有する撮像装置
JP2014-026486 2014-02-14

Publications (2)

Publication Number Publication Date
CN104849841A CN104849841A (zh) 2015-08-19
CN104849841B true CN104849841B (zh) 2018-04-20

Family

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CN201510069278.9A Expired - Fee Related CN104849841B (zh) 2014-02-14 2015-02-10 变焦透镜和包括该变焦透镜的图像拾取装置

Country Status (3)

Country Link
US (1) US9557543B2 (https=)
JP (1) JP6300558B2 (https=)
CN (1) CN104849841B (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6558954B2 (ja) 2015-05-28 2019-08-14 キヤノン株式会社 ズームレンズ及びそれを有する光学機器
WO2016194811A1 (ja) 2015-05-29 2016-12-08 株式会社ニコン 変倍光学系、光学機器及び変倍光学系の製造方法
JP2016224224A (ja) * 2015-05-29 2016-12-28 株式会社ニコン 変倍光学系、光学機器及び変倍光学系の製造方法
JP6613735B2 (ja) * 2015-09-07 2019-12-04 リコーイメージング株式会社 ズームレンズ系
JP6797597B2 (ja) 2016-08-10 2020-12-09 キヤノン株式会社 リアコンバーター光学系及びそれを有する撮像装置
US11347035B2 (en) * 2017-04-05 2022-05-31 Nikon Corporation Variable magnification optical system, optical apparatus, and method for producing variable magnification optical system
US11092789B2 (en) 2018-04-18 2021-08-17 Samsung Electro-Mechanics Co., Ltd. Optical imaging system
JP7207430B2 (ja) * 2018-12-26 2023-01-18 株式会社ニコン 変倍光学系および光学機器
JP7725231B2 (ja) * 2021-05-20 2025-08-19 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
CN115308883A (zh) * 2022-07-25 2022-11-08 南通智能感知研究院 一种短距离探测近红外望远镜
CN116974057B (zh) * 2023-09-22 2023-12-08 上海树突精密仪器有限公司 一种生物体成像系统与光学检测设备

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1162727C (zh) * 2000-12-27 2004-08-18 佳能株式会社 变焦镜头以及采用该变焦镜头的光学装置
CN101995646A (zh) * 2009-08-17 2011-03-30 大立光电股份有限公司 取像透镜系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3467086B2 (ja) * 1994-08-29 2003-11-17 オリンパス光学工業株式会社 ズームレンズを備えたカメラ
JP4181790B2 (ja) 2002-04-04 2008-11-19 キヤノン株式会社 ズームレンズ及びそれを有する光学機器
JP4579568B2 (ja) 2004-04-01 2010-11-10 キヤノン株式会社 ズームレンズおよび撮影システム
JP4700957B2 (ja) * 2004-12-02 2011-06-15 日東光学株式会社 ズームレンズシステム
JP5162305B2 (ja) 2008-04-02 2013-03-13 パナソニック株式会社 ズームレンズ系、交換レンズ装置、及びカメラシステム
JP2012247687A (ja) 2011-05-30 2012-12-13 Nikon Corp 撮影レンズ、この撮影レンズを備えた光学機器、及び、撮影レンズの製造方法
JP5738069B2 (ja) * 2011-05-24 2015-06-17 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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1162727C (zh) * 2000-12-27 2004-08-18 佳能株式会社 变焦镜头以及采用该变焦镜头的光学装置
CN101995646A (zh) * 2009-08-17 2011-03-30 大立光电股份有限公司 取像透镜系统

Also Published As

Publication number Publication date
JP2015152765A (ja) 2015-08-24
CN104849841A (zh) 2015-08-19
US9557543B2 (en) 2017-01-31
US20150234166A1 (en) 2015-08-20
JP6300558B2 (ja) 2018-03-28

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