JP2020085934A - ズームレンズ及び撮像装置 - Google Patents

ズームレンズ及び撮像装置 Download PDF

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Publication number
JP2020085934A
JP2020085934A JP2018214834A JP2018214834A JP2020085934A JP 2020085934 A JP2020085934 A JP 2020085934A JP 2018214834 A JP2018214834 A JP 2018214834A JP 2018214834 A JP2018214834 A JP 2018214834A JP 2020085934 A JP2020085934 A JP 2020085934A
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JP
Japan
Prior art keywords
lens
zoom
lens group
zoom lens
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.)
Pending
Application number
JP2018214834A
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English (en)
Japanese (ja)
Other versions
JP2020085934A5 (enExample
Inventor
雅雄 堀
Masao Hori
雅雄 堀
尚利 小川
Naotoshi Ogawa
尚利 小川
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 JP2018214834A priority Critical patent/JP2020085934A/ja
Priority to US16/674,352 priority patent/US11143850B2/en
Publication of JP2020085934A publication Critical patent/JP2020085934A/ja
Publication of JP2020085934A5 publication Critical patent/JP2020085934A5/ja
Pending legal-status Critical Current

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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
    • G02B15/144—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
    • G02B15/1441—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 positive
    • 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
    • G02B15/1441—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 positive
    • G02B15/144113—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 positive arranged +-++
    • 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
    • G02B7/282—Autofocusing of zoom lenses
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/10—Power-operated focusing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B5/02—Lateral adjustment of lens
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B11/00—Filters or other obturators specially adapted for photographic purposes
    • G03B11/04—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids
    • G03B11/045—Lens hoods or shields
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/69—Control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP2018214834A 2018-11-15 2018-11-15 ズームレンズ及び撮像装置 Pending JP2020085934A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2018214834A JP2020085934A (ja) 2018-11-15 2018-11-15 ズームレンズ及び撮像装置
US16/674,352 US11143850B2 (en) 2018-11-15 2019-11-05 Zoom lens and image pickup apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018214834A JP2020085934A (ja) 2018-11-15 2018-11-15 ズームレンズ及び撮像装置

Publications (2)

Publication Number Publication Date
JP2020085934A true JP2020085934A (ja) 2020-06-04
JP2020085934A5 JP2020085934A5 (enExample) 2021-12-23

Family

ID=70727200

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018214834A Pending JP2020085934A (ja) 2018-11-15 2018-11-15 ズームレンズ及び撮像装置

Country Status (2)

Country Link
US (1) US11143850B2 (enExample)
JP (1) JP2020085934A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021047380A (ja) * 2019-09-20 2021-03-25 富士フイルム株式会社 ズームレンズおよび撮像装置
JP2022055483A (ja) * 2020-09-29 2022-04-08 株式会社タムロン ズームレンズ及び撮像装置
CN114442292A (zh) * 2020-11-02 2022-05-06 佳能株式会社 变焦透镜和图像拾取装置
JP2022123454A (ja) * 2021-02-12 2022-08-24 キヤノン株式会社 ズームレンズおよび撮像装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7277304B2 (ja) 2019-07-30 2023-05-18 キヤノン株式会社 ズームレンズおよび撮像装置
JP7344715B2 (ja) 2019-08-16 2023-09-14 キヤノン株式会社 ズームレンズおよび撮像装置
US11754818B2 (en) 2019-10-11 2023-09-12 Canon Kabushiki Kaisha Zoom lens and image pickup apparatus
CN112198643B (zh) * 2020-10-23 2025-05-16 江西欧菲光学有限公司 光学系统、摄像模组和电子设备
JP7657601B2 (ja) 2021-02-12 2025-04-07 キヤノン株式会社 ズームレンズおよび撮像装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06186477A (ja) * 1992-12-18 1994-07-08 Canon Inc フレアー絞りを有したズームレンズ
JP2013037326A (ja) * 2011-08-11 2013-02-21 Olympus Imaging Corp 防振ズームレンズ
JP2014038236A (ja) * 2012-08-17 2014-02-27 Canon Inc ズームレンズ及びそれを有する撮像装置
JP2016136174A (ja) * 2015-01-23 2016-07-28 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
JP2016164629A (ja) * 2015-03-06 2016-09-08 富士フイルム株式会社 ズームレンズおよび撮像装置
JP2018128572A (ja) * 2017-02-08 2018-08-16 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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6463250B2 (ja) 2015-10-20 2019-01-30 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
JP6549966B2 (ja) 2015-10-20 2019-07-24 キヤノン株式会社 ズームレンズおよび撮像装置
EP3159726B1 (en) 2015-10-20 2024-07-03 Canon Kabushiki Kaisha Zoom lens and image pickup apparatus including the same
JP6949533B2 (ja) * 2017-04-11 2021-10-13 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
JP6772209B2 (ja) 2018-02-28 2020-10-21 キヤノン株式会社 ズームレンズ及び撮像装置
JP7207854B2 (ja) 2018-02-28 2023-01-18 キヤノン株式会社 ズームレンズ及び撮像装置
JP7129178B2 (ja) 2018-02-28 2022-09-01 キヤノン株式会社 ズームレンズ及び撮像装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06186477A (ja) * 1992-12-18 1994-07-08 Canon Inc フレアー絞りを有したズームレンズ
JP2013037326A (ja) * 2011-08-11 2013-02-21 Olympus Imaging Corp 防振ズームレンズ
JP2014038236A (ja) * 2012-08-17 2014-02-27 Canon Inc ズームレンズ及びそれを有する撮像装置
JP2016136174A (ja) * 2015-01-23 2016-07-28 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
JP2016164629A (ja) * 2015-03-06 2016-09-08 富士フイルム株式会社 ズームレンズおよび撮像装置
JP2018128572A (ja) * 2017-02-08 2018-08-16 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

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021047380A (ja) * 2019-09-20 2021-03-25 富士フイルム株式会社 ズームレンズおよび撮像装置
JP7146715B2 (ja) 2019-09-20 2022-10-04 富士フイルム株式会社 ズームレンズおよび撮像装置
US11604339B2 (en) 2019-09-20 2023-03-14 Fujifilm Corporation Zoom lens and imaging apparatus
JP2022055483A (ja) * 2020-09-29 2022-04-08 株式会社タムロン ズームレンズ及び撮像装置
JP7668096B2 (ja) 2020-09-29 2025-04-24 株式会社タムロン ズームレンズ及び撮像装置
CN114442292A (zh) * 2020-11-02 2022-05-06 佳能株式会社 变焦透镜和图像拾取装置
JP2022123454A (ja) * 2021-02-12 2022-08-24 キヤノン株式会社 ズームレンズおよび撮像装置
JP7614874B2 (ja) 2021-02-12 2025-01-16 キヤノン株式会社 ズームレンズおよび撮像装置

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Publication number Publication date
US20200158997A1 (en) 2020-05-21
US11143850B2 (en) 2021-10-12

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