JP5455572B2 - ズームレンズ及びそれを有する撮像装置 - Google Patents

ズームレンズ及びそれを有する撮像装置 Download PDF

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Publication number
JP5455572B2
JP5455572B2 JP2009260832A JP2009260832A JP5455572B2 JP 5455572 B2 JP5455572 B2 JP 5455572B2 JP 2009260832 A JP2009260832 A JP 2009260832A JP 2009260832 A JP2009260832 A JP 2009260832A JP 5455572 B2 JP5455572 B2 JP 5455572B2
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JP
Japan
Prior art keywords
lens
lens group
zoom
refractive power
image side
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.)
Active
Application number
JP2009260832A
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English (en)
Japanese (ja)
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JP2011107312A5 (OSRAM
JP2011107312A (ja
Inventor
浩 猿渡
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.)
Canon Inc
Original Assignee
Canon Inc
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.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2009260832A priority Critical patent/JP5455572B2/ja
Priority to US12/939,664 priority patent/US8218243B2/en
Publication of JP2011107312A publication Critical patent/JP2011107312A/ja
Publication of JP2011107312A5 publication Critical patent/JP2011107312A5/ja
Application granted granted Critical
Publication of JP5455572B2 publication Critical patent/JP5455572B2/ja
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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
    • G02B15/16—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
    • G02B13/22—Telecentric objectives or lens systems
    • 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
    • G02B15/143—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 three groups only
    • G02B15/1435—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 three groups only the first group being negative
    • G02B15/143507—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 three groups only the first group being negative arranged -++

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
  • Adjustment Of Camera Lenses (AREA)
JP2009260832A 2009-11-16 2009-11-16 ズームレンズ及びそれを有する撮像装置 Active JP5455572B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009260832A JP5455572B2 (ja) 2009-11-16 2009-11-16 ズームレンズ及びそれを有する撮像装置
US12/939,664 US8218243B2 (en) 2009-11-16 2010-11-04 Zoom lens and image pickup apparatus including the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009260832A JP5455572B2 (ja) 2009-11-16 2009-11-16 ズームレンズ及びそれを有する撮像装置

Publications (3)

Publication Number Publication Date
JP2011107312A JP2011107312A (ja) 2011-06-02
JP2011107312A5 JP2011107312A5 (OSRAM) 2013-01-10
JP5455572B2 true JP5455572B2 (ja) 2014-03-26

Family

ID=44011063

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009260832A Active JP5455572B2 (ja) 2009-11-16 2009-11-16 ズームレンズ及びそれを有する撮像装置

Country Status (2)

Country Link
US (1) US8218243B2 (OSRAM)
JP (1) JP5455572B2 (OSRAM)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5149382B2 (ja) * 2008-07-02 2013-02-20 パナソニック株式会社 ズームレンズ系、撮像装置及びカメラ
JP5344633B2 (ja) * 2010-11-10 2013-11-20 キヤノン株式会社 撮像装置
JP2013003566A (ja) * 2011-06-22 2013-01-07 Seiko Epson Corp 投写光学系及びこれを備えるプロジェクター
JP5720434B2 (ja) * 2011-06-23 2015-05-20 株式会社リコー 結像レンズおよびカメラ装置および携帯情報端末装置
JP5533798B2 (ja) 2011-07-04 2014-06-25 セイコーエプソン株式会社 投写光学系及びこれを備えるプロジェクター
JP5621723B2 (ja) * 2011-07-04 2014-11-12 セイコーエプソン株式会社 投写光学系及びこれを備えるプロジェクター
JP2013029569A (ja) * 2011-07-27 2013-02-07 Seiko Epson Corp 投写光学系及びこれを備えるプロジェクター
KR101880633B1 (ko) * 2011-07-28 2018-07-20 삼성전자주식회사 줌 렌즈 및 이를 구비한 촬영 장치
CN103163637A (zh) * 2011-12-17 2013-06-19 鸿富锦精密工业（深圳）有限公司 变焦镜头
CN103176265A (zh) * 2011-12-23 2013-06-26 鸿富锦精密工业（深圳）有限公司 广角变焦镜头
JP6149405B2 (ja) 2013-01-23 2017-06-21 株式会社ニコン ズームレンズ、光学機器、およびズームレンズの変倍方法
JP6143501B2 (ja) * 2013-03-13 2017-06-07 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
CN103885156A (zh) * 2014-02-21 2014-06-25 苏州佳世达光电有限公司 投影镜头及投影装置
TWI477813B (zh) * 2014-02-21 2015-03-21 Qisda Corp 投影鏡頭及相關投影裝置
JP6496994B2 (ja) * 2014-07-28 2019-04-10 セイコーエプソン株式会社 投射光学系及び投射型画像表示装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62200316A (ja) 1986-02-28 1987-09-04 Canon Inc ズ−ムレンズ
US6124984A (en) 1996-12-13 2000-09-26 Nikon Corporation Variable magnification optical zoom lens system
JP4882263B2 (ja) 2005-03-31 2012-02-22 株式会社ニコン ズームレンズ
JP5009051B2 (ja) * 2007-05-28 2012-08-22 オリンパスイメージング株式会社 ３群ズームレンズ及びそれを備えた撮像装置
JP5377032B2 (ja) * 2009-04-02 2013-12-25 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
JP5465018B2 (ja) * 2010-01-16 2014-04-09 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

Also Published As

Publication number Publication date
US8218243B2 (en) 2012-07-10
JP2011107312A (ja) 2011-06-02
US20110115946A1 (en) 2011-05-19

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