JP7401316B2 - 光学系およびそれを有する撮像装置、撮像システム - Google Patents

光学系およびそれを有する撮像装置、撮像システム Download PDF

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Publication number
JP7401316B2
JP7401316B2 JP2020006584A JP2020006584A JP7401316B2 JP 7401316 B2 JP7401316 B2 JP 7401316B2 JP 2020006584 A JP2020006584 A JP 2020006584A JP 2020006584 A JP2020006584 A JP 2020006584A JP 7401316 B2 JP7401316 B2 JP 7401316B2
Authority
JP
Japan
Prior art keywords
optical system
lens group
focus lens
focal length
conditional expression
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
JP2020006584A
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English (en)
Japanese (ja)
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JP2021113905A (ja
JP2021113905A5 (enExample
Inventor
修一 茂木
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 JP2020006584A priority Critical patent/JP7401316B2/ja
Priority to KR1020210000640A priority patent/KR102835305B1/ko
Priority to US17/146,688 priority patent/US11536934B2/en
Publication of JP2021113905A publication Critical patent/JP2021113905A/ja
Priority to US17/988,962 priority patent/US11940606B2/en
Publication of JP2021113905A5 publication Critical patent/JP2021113905A5/ja
Application granted granted Critical
Publication of JP7401316B2 publication Critical patent/JP7401316B2/ja
Priority to KR1020250094268A priority patent/KR20250111278A/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • 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
    • G02B15/142—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 two groups only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
    • G02B9/14—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only 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
    • G02B13/0035—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 three 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
    • G02B13/009—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras having zoom function
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
    • 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
    • G02B15/144105—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
    • 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
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
    • G02B27/005—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration for correction of secondary colour or higher-order chromatic aberrations
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/60—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having five components only
    • 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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/02—Diaphragms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
    • G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Lenses (AREA)
  • Studio Devices (AREA)
JP2020006584A 2020-01-20 2020-01-20 光学系およびそれを有する撮像装置、撮像システム Active JP7401316B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2020006584A JP7401316B2 (ja) 2020-01-20 2020-01-20 光学系およびそれを有する撮像装置、撮像システム
KR1020210000640A KR102835305B1 (ko) 2020-01-20 2021-01-05 광학계 및 그것을 갖는 촬상장치
US17/146,688 US11536934B2 (en) 2020-01-20 2021-01-12 Optical system and imaging apparatus having the same
US17/988,962 US11940606B2 (en) 2020-01-20 2022-11-17 Optical system and imaging apparatus having the same
KR1020250094268A KR20250111278A (ko) 2020-01-20 2025-07-14 광학계 및 그것을 갖는 촬상장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020006584A JP7401316B2 (ja) 2020-01-20 2020-01-20 光学系およびそれを有する撮像装置、撮像システム

Publications (3)

Publication Number Publication Date
JP2021113905A JP2021113905A (ja) 2021-08-05
JP2021113905A5 JP2021113905A5 (enExample) 2022-12-21
JP7401316B2 true JP7401316B2 (ja) 2023-12-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020006584A Active JP7401316B2 (ja) 2020-01-20 2020-01-20 光学系およびそれを有する撮像装置、撮像システム

Country Status (3)

Country Link
US (2) US11536934B2 (enExample)
JP (1) JP7401316B2 (enExample)
KR (2) KR102835305B1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7218202B2 (ja) 2019-02-14 2023-02-06 キヤノン株式会社 観察光学系およびそれを備えた画像表示装置
WO2021241230A1 (ja) * 2020-05-28 2021-12-02 株式会社ニコン 光学系、光学機器、および光学系の製造方法
WO2022172725A1 (ja) * 2021-02-15 2022-08-18 株式会社ニコン 光学系、光学機器、および光学系の製造方法
JP7691842B2 (ja) * 2021-04-13 2025-06-12 株式会社タムロン 光学系及び撮像装置
JP2023099387A (ja) * 2022-01-01 2023-07-13 キヤノン株式会社 光学系及びそれを有する撮像装置
CN120019313A (zh) * 2022-09-14 2025-05-16 株式会社尼康 光学系统、光学设备以及光学系统的制造方法

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007065278A (ja) 2005-08-31 2007-03-15 Canon Inc 撮像装置および交換レンズシステム
JP2008129460A (ja) 2006-11-22 2008-06-05 Olympus Imaging Corp ズーム光学系、及びそれを有する電子撮像装置
JP2010091669A (ja) 2008-10-06 2010-04-22 Canon Inc 撮像装置
JP2014006487A (ja) 2012-05-29 2014-01-16 Konica Minolta Inc 望遠レンズ，撮像光学装置及びデジタル機器
JP2014026023A (ja) 2012-07-25 2014-02-06 Konica Minolta Inc 望遠レンズ，撮像光学装置及びデジタル機器
JP2014142601A (ja) 2012-12-27 2014-08-07 Panasonic Corp インナーフォーカスレンズ系、交換レンズ装置及びカメラシステム
WO2014129170A1 (ja) 2013-02-19 2014-08-28 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
JP2014186306A (ja) 2013-02-22 2014-10-02 Panasonic Corp ズームレンズ系、交換レンズ装置及びカメラシステム
WO2020105104A1 (ja) 2018-11-20 2020-05-28 株式会社ニコン 変倍光学系、光学機器および変倍光学系の製造方法
WO2020137650A1 (ja) 2018-12-25 2020-07-02 株式会社ｎｉｔｔｏｈ 映画撮影用レンズ
WO2020158622A1 (ja) 2019-01-28 2020-08-06 パナソニックＩｐマネジメント株式会社 撮像光学系と、撮像光学系を用いる撮像装置およびカメラシステム
JP2020173366A (ja) 2019-04-11 2020-10-22 コニカミノルタ株式会社 撮像光学系，撮像光学装置及びデジタル機器

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JP6150047B2 (ja) * 2012-07-20 2017-06-21 パナソニックＩｐマネジメント株式会社 インナーフォーカスレンズ系、交換レンズ装置及びカメラシステム
JP6004820B2 (ja) 2012-08-08 2016-10-12 キヤノン株式会社 ズ−ムレンズ及びそれを有する撮像装置
US10079964B2 (en) * 2014-12-22 2018-09-18 Panasonic Intellectual Property Management Co., Ltd. Lens system, interchangeable lens apparatus, and camera system
US9835932B2 (en) * 2015-01-21 2017-12-05 Panasonic Intellectual Property Management Co., Ltd. Zoom lens system, interchangeable lens device, and camera system
JP6631412B2 (ja) 2016-05-25 2020-01-15 コニカミノルタ株式会社 撮像レンズ，撮像光学装置及びデジタル機器
JP6768375B2 (ja) 2016-06-30 2020-10-14 キヤノン株式会社 レンズ装置および撮像装置
JP6771371B2 (ja) * 2016-12-12 2020-10-21 富士フイルム株式会社 撮像レンズおよび撮像装置
JP6685944B2 (ja) * 2017-01-27 2020-04-22 富士フイルム株式会社 ズームレンズおよび撮像装置
JP6862209B2 (ja) 2017-02-16 2021-04-21 キヤノン株式会社 撮像光学系及びそれを有する撮像装置
JP7218202B2 (ja) 2019-02-14 2023-02-06 キヤノン株式会社 観察光学系およびそれを備えた画像表示装置
JP7379073B2 (ja) 2019-10-17 2023-11-14 キヤノン株式会社 光学系およびそれを有する撮像装置、撮像システム

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007065278A (ja) 2005-08-31 2007-03-15 Canon Inc 撮像装置および交換レンズシステム
JP2008129460A (ja) 2006-11-22 2008-06-05 Olympus Imaging Corp ズーム光学系、及びそれを有する電子撮像装置
JP2010091669A (ja) 2008-10-06 2010-04-22 Canon Inc 撮像装置
JP2014006487A (ja) 2012-05-29 2014-01-16 Konica Minolta Inc 望遠レンズ，撮像光学装置及びデジタル機器
JP2014026023A (ja) 2012-07-25 2014-02-06 Konica Minolta Inc 望遠レンズ，撮像光学装置及びデジタル機器
JP2014142601A (ja) 2012-12-27 2014-08-07 Panasonic Corp インナーフォーカスレンズ系、交換レンズ装置及びカメラシステム
WO2014129170A1 (ja) 2013-02-19 2014-08-28 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
JP2014186306A (ja) 2013-02-22 2014-10-02 Panasonic Corp ズームレンズ系、交換レンズ装置及びカメラシステム
WO2020105104A1 (ja) 2018-11-20 2020-05-28 株式会社ニコン 変倍光学系、光学機器および変倍光学系の製造方法
WO2020137650A1 (ja) 2018-12-25 2020-07-02 株式会社ｎｉｔｔｏｈ 映画撮影用レンズ
WO2020158622A1 (ja) 2019-01-28 2020-08-06 パナソニックＩｐマネジメント株式会社 撮像光学系と、撮像光学系を用いる撮像装置およびカメラシステム
JP2020173366A (ja) 2019-04-11 2020-10-22 コニカミノルタ株式会社 撮像光学系，撮像光学装置及びデジタル機器

Also Published As

Publication number Publication date
JP2021113905A (ja) 2021-08-05
US11536934B2 (en) 2022-12-27
KR102835305B1 (ko) 2025-07-18
US11940606B2 (en) 2024-03-26
US20230080985A1 (en) 2023-03-16
KR20210093752A (ko) 2021-07-28
KR20250111278A (ko) 2025-07-22
US20210223522A1 (en) 2021-07-22

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