JP7625377B2 - ズームレンズおよび撮像装置 - Google Patents

ズームレンズおよび撮像装置 Download PDF

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Publication number
JP7625377B2
JP7625377B2 JP2020120924A JP2020120924A JP7625377B2 JP 7625377 B2 JP7625377 B2 JP 7625377B2 JP 2020120924 A JP2020120924 A JP 2020120924A JP 2020120924 A JP2020120924 A JP 2020120924A JP 7625377 B2 JP7625377 B2 JP 7625377B2
Authority
JP
Japan
Prior art keywords
lens
lens group
refractive power
zoom
negative refractive
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
JP2020120924A
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English (en)
Japanese (ja)
Other versions
JP2022018006A (ja
JP2022018006A5 (enExample
Inventor
慎一郎 齋藤
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 JP2020120924A priority Critical patent/JP7625377B2/ja
Priority to US17/368,285 priority patent/US11960066B2/en
Publication of JP2022018006A publication Critical patent/JP2022018006A/ja
Publication of JP2022018006A5 publication Critical patent/JP2022018006A5/ja
Priority to US18/605,610 priority patent/US20240219696A1/en
Application granted granted Critical
Publication of JP7625377B2 publication Critical patent/JP7625377B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • G02B15/145—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
    • G02B15/145—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
    • 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
    • G02B13/0045—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 five or more 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
    • G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
    • G02B13/006—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element at least one element being a compound optical element, e.g. cemented elements
    • 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
    • G02B15/145113—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP2020120924A 2020-07-14 2020-07-14 ズームレンズおよび撮像装置 Active JP7625377B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2020120924A JP7625377B2 (ja) 2020-07-14 2020-07-14 ズームレンズおよび撮像装置
US17/368,285 US11960066B2 (en) 2020-07-14 2021-07-06 Zoom lens and image pickup apparatus
US18/605,610 US20240219696A1 (en) 2020-07-14 2024-03-14 Zoom lens and image pickup apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020120924A JP7625377B2 (ja) 2020-07-14 2020-07-14 ズームレンズおよび撮像装置

Publications (3)

Publication Number Publication Date
JP2022018006A JP2022018006A (ja) 2022-01-26
JP2022018006A5 JP2022018006A5 (enExample) 2023-07-04
JP7625377B2 true JP7625377B2 (ja) 2025-02-03

Family

ID=79293449

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020120924A Active JP7625377B2 (ja) 2020-07-14 2020-07-14 ズームレンズおよび撮像装置

Country Status (2)

Country Link
US (2) US11960066B2 (enExample)
JP (1) JP7625377B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2022259649A1 (enExample) * 2021-06-09 2022-12-15
JP2024140521A (ja) * 2023-03-28 2024-10-10 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

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001350093A (ja) 2000-04-07 2001-12-21 Minolta Co Ltd 撮像レンズ装置
JP2009047903A (ja) 2007-08-20 2009-03-05 Sony Corp ズームレンズ及び撮像装置
JP2011002503A (ja) 2009-06-16 2011-01-06 Olympus Imaging Corp ズームレンズ及びそれを備えた撮像装置
WO2012102105A1 (ja) 2011-01-24 2012-08-02 コニカミノルタオプト株式会社 ズームレンズ，撮像光学装置及びデジタル機器
JP2013003288A (ja) 2011-06-15 2013-01-07 Olympus Imaging Corp ズームレンズ及びそれを備えた撮像装置
JP2013178298A (ja) 2012-02-28 2013-09-09 Konica Minolta Inc ズームレンズ及び撮像装置
JP2014153436A (ja) 2013-02-05 2014-08-25 Tamron Co Ltd ズームレンズ
JP2014228807A (ja) 2013-05-24 2014-12-08 株式会社タムロン ズームレンズ及び撮像装置
JP2014235238A (ja) 2013-05-31 2014-12-15 ソニー株式会社 ズームレンズ及び撮像装置
JP2020134684A (ja) 2019-02-19 2020-08-31 株式会社タムロン ズームレンズ及び撮像装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4507064B2 (ja) 2003-12-18 2010-07-21 ソニー株式会社 ズームレンズ及び撮像装置
US8432617B2 (en) * 2009-05-18 2013-04-30 Olympus Corporation Image forming optical system and electronic image pickup apparatus equipped with same
JP6634683B2 (ja) 2015-02-24 2020-01-22 株式会社ニコン ズームレンズ及び光学機器
JP7218153B2 (ja) 2018-11-02 2023-02-06 キヤノン株式会社 ズームレンズおよびそれを有する撮像装置

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001350093A (ja) 2000-04-07 2001-12-21 Minolta Co Ltd 撮像レンズ装置
JP2009047903A (ja) 2007-08-20 2009-03-05 Sony Corp ズームレンズ及び撮像装置
JP2011002503A (ja) 2009-06-16 2011-01-06 Olympus Imaging Corp ズームレンズ及びそれを備えた撮像装置
WO2012102105A1 (ja) 2011-01-24 2012-08-02 コニカミノルタオプト株式会社 ズームレンズ，撮像光学装置及びデジタル機器
JP2013003288A (ja) 2011-06-15 2013-01-07 Olympus Imaging Corp ズームレンズ及びそれを備えた撮像装置
JP2013178298A (ja) 2012-02-28 2013-09-09 Konica Minolta Inc ズームレンズ及び撮像装置
JP2014153436A (ja) 2013-02-05 2014-08-25 Tamron Co Ltd ズームレンズ
JP2014228807A (ja) 2013-05-24 2014-12-08 株式会社タムロン ズームレンズ及び撮像装置
JP2014235238A (ja) 2013-05-31 2014-12-15 ソニー株式会社 ズームレンズ及び撮像装置
JP2020134684A (ja) 2019-02-19 2020-08-31 株式会社タムロン ズームレンズ及び撮像装置

Also Published As

Publication number Publication date
JP2022018006A (ja) 2022-01-26
US20220019065A1 (en) 2022-01-20
US11960066B2 (en) 2024-04-16
US20240219696A1 (en) 2024-07-04

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