JP6004840B2 - 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
JP6004840B2
JP6004840B2 JP2012188586A JP2012188586A JP6004840B2 JP 6004840 B2 JP6004840 B2 JP 6004840B2 JP 2012188586 A JP2012188586 A JP 2012188586A JP 2012188586 A JP2012188586 A JP 2012188586A JP 6004840 B2 JP6004840 B2 JP 6004840B2
Authority
JP
Japan
Prior art keywords
lens
lens group
refractive power
zoom
group
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.)
Expired - Fee Related
Application number
JP2012188586A
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English (en)
Japanese (ja)
Other versions
JP2014048311A (ja
JP2014048311A5 (enExample
Inventor
欣久 田代
欣久 田代
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 JP2012188586A priority Critical patent/JP6004840B2/ja
Priority to US14/010,284 priority patent/US9042031B2/en
Publication of JP2014048311A publication Critical patent/JP2014048311A/ja
Publication of JP2014048311A5 publication Critical patent/JP2014048311A5/ja
Application granted granted Critical
Publication of JP6004840B2 publication Critical patent/JP6004840B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G02B15/143—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
    • G02B15/1431—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 positive
    • G02B15/143105—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 positive arranged +-+

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Structure And Mechanism Of Cameras (AREA)
  • Adjustment Of Camera Lenses (AREA)
  • Nonlinear Science (AREA)
JP2012188586A 2012-08-29 2012-08-29 ズームレンズ及びそれを有する撮像装置 Expired - Fee Related JP6004840B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2012188586A JP6004840B2 (ja) 2012-08-29 2012-08-29 ズームレンズ及びそれを有する撮像装置
US14/010,284 US9042031B2 (en) 2012-08-29 2013-08-26 Zoom lens and image pickup apparatus having the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012188586A JP6004840B2 (ja) 2012-08-29 2012-08-29 ズームレンズ及びそれを有する撮像装置

Publications (3)

Publication Number Publication Date
JP2014048311A JP2014048311A (ja) 2014-03-17
JP2014048311A5 JP2014048311A5 (enExample) 2015-10-08
JP6004840B2 true JP6004840B2 (ja) 2016-10-12

Family

ID=50187231

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012188586A Expired - Fee Related JP6004840B2 (ja) 2012-08-29 2012-08-29 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) US9042031B2 (enExample)
JP (1) JP6004840B2 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI612322B (zh) * 2015-12-01 2018-01-21 先進光電科技股份有限公司 光學成像系統
JP7013220B2 (ja) * 2017-12-08 2022-01-31 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
US20230273413A1 (en) * 2020-05-12 2023-08-31 Nittoh Inc. Lens system and projector
CN117111281B (zh) * 2023-10-25 2024-01-02 成都量芯集成科技有限公司 变焦光学系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002277736A (ja) * 2001-03-21 2002-09-25 Olympus Optical Co Ltd 撮像装置
JP2007025123A (ja) 2005-07-14 2007-02-01 Konica Minolta Photo Imaging Inc 変倍光学系
JP2007279541A (ja) * 2006-04-11 2007-10-25 Olympus Imaging Corp 屈曲変倍光学系
TWI356208B (en) * 2007-08-10 2012-01-11 Asia Optical Co Inc Zoom lens system
JP5441521B2 (ja) * 2009-06-30 2014-03-12 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
JP5523092B2 (ja) * 2009-12-28 2014-06-18 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
JP5645520B2 (ja) * 2010-07-20 2014-12-24 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
JP2014048311A (ja) 2014-03-17
US20140063613A1 (en) 2014-03-06
US9042031B2 (en) 2015-05-26

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