KR102835305B1 - 광학계 및 그것을 갖는 촬상장치 - Google Patents

광학계 및 그것을 갖는 촬상장치

Info

Publication number
KR102835305B1
KR102835305B1 KR1020210000640A KR20210000640A KR102835305B1 KR 102835305 B1 KR102835305 B1 KR 102835305B1 KR 1020210000640 A KR1020210000640 A KR 1020210000640A KR 20210000640 A KR20210000640 A KR 20210000640A KR 102835305 B1 KR102835305 B1 KR 102835305B1
Authority
KR
South Korea
Prior art keywords
lens unit
optical system
focus lens
focal length
paragraph
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
KR1020210000640A
Other languages
English (en)
Korean (ko)
Other versions
KR20210093752A (ko
Inventor
슈이치 모기
Original Assignee
캐논 가부시끼가이샤
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.)
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Application filed by 캐논 가부시끼가이샤 filed Critical 캐논 가부시끼가이샤
Publication of KR20210093752A publication Critical patent/KR20210093752A/ko
Priority to KR1020250094268A priority Critical patent/KR20250111278A/ko
Application granted granted Critical
Publication of KR102835305B1 publication Critical patent/KR102835305B1/ko
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
    • G02B15/142—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
    • 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
    • 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
    • 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 +-+
    • 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
    • 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
    • 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
    • G02B15/22—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 movable lens means specially adapted for focusing at close distances
    • G02B15/24—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 movable lens means specially adapted for focusing at close distances having a front fixed lens or lens group and two movable lenses or lens groups in front of a fixed lens or lens group
    • G02B15/28—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 movable lens means specially adapted for focusing at close distances having a front fixed lens or lens group and two movable lenses or lens groups in front of a fixed lens or lens group 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
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/0062—Stacked lens arrays, i.e. refractive surfaces arranged in at least two planes, without structurally separate optical elements in-between
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0087—Simple or compound lenses with index gradient
    • 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
    • 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

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)
KR1020210000640A 2020-01-20 2021-01-05 광학계 및 그것을 갖는 촬상장치 Active KR102835305B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020250094268A KR20250111278A (ko) 2020-01-20 2025-07-14 광학계 및 그것을 갖는 촬상장치

Applications Claiming Priority (2)

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
JPJP-P-2020-006584 2020-01-20

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020250094268A Division KR20250111278A (ko) 2020-01-20 2025-07-14 광학계 및 그것을 갖는 촬상장치

Publications (2)

Publication Number Publication Date
KR20210093752A KR20210093752A (ko) 2021-07-28
KR102835305B1 true KR102835305B1 (ko) 2025-07-18

Family

ID=76857631

Family Applications (2)

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KR1020210000640A Active KR102835305B1 (ko) 2020-01-20 2021-01-05 광학계 및 그것을 갖는 촬상장치
KR1020250094268A Pending KR20250111278A (ko) 2020-01-20 2025-07-14 광학계 및 그것을 갖는 촬상장치

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020250094268A Pending KR20250111278A (ko) 2020-01-20 2025-07-14 광학계 및 그것을 갖는 촬상장치

Country Status (3)

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

Families Citing this family (7)

* 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
JP7398060B2 (ja) * 2020-05-28 2023-12-14 株式会社ニコン 光学系及び光学機器
JP7459981B2 (ja) * 2021-02-15 2024-04-02 株式会社ニコン 光学系および光学機器
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
JP2023099385A (ja) * 2022-01-01 2023-07-13 キヤノン株式会社 光学系およ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

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US20140022437A1 (en) 2012-07-20 2014-01-23 Panasonic Corporation Inner focus lens system, interchangeable lens apparatus and camera system
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
US20160178875A1 (en) 2014-12-22 2016-06-23 Panasonic Intellectual Property Management Co., Ltd. Lens system, interchangeable lens apparatus, and camera system
US20160209632A1 (en) 2015-01-21 2016-07-21 Panasonic Intellectual Property Management Co., Ltd. Zoom lens system, interchangeable lens device, and camera system
US20180164540A1 (en) 2016-12-12 2018-06-14 Fujifilm Corporation Imaging lens and imaging apparatus

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JP4533286B2 (ja) 2005-08-31 2010-09-01 キヤノン株式会社 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
JP5849884B2 (ja) 2012-05-29 2016-02-03 コニカミノルタ株式会社 望遠レンズ，撮像光学装置及びデジタル機器
JP5846065B2 (ja) 2012-07-25 2016-01-20 コニカミノルタ株式会社 望遠レンズ，撮像光学装置及びデジタル機器
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
JPWO2014129170A1 (ja) 2013-02-19 2017-02-02 パナソニックＩｐマネジメント株式会社 ズームレンズ系、交換レンズ装置及びカメラシステム
JP6300070B2 (ja) 2013-02-22 2018-03-28 パナソニックＩｐマネジメント株式会社 ズームレンズ系、交換レンズ装置及びカメラシステム
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
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
US20210349293A1 (en) 2018-11-20 2021-11-11 Nikon Corporation Zoom optical system, optical device, and method for manufacturing zoom optical system
US12393001B2 (en) 2018-12-25 2025-08-19 Nittoh Inc. Lens for filming
JP7133793B2 (ja) 2019-01-28 2022-09-09 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
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
JP7164184B2 (ja) 2019-04-11 2022-11-01 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
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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140022437A1 (en) 2012-07-20 2014-01-23 Panasonic Corporation Inner focus lens system, interchangeable lens apparatus and camera system
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
US20160178875A1 (en) 2014-12-22 2016-06-23 Panasonic Intellectual Property Management Co., Ltd. Lens system, interchangeable lens apparatus, and camera system
US20160209632A1 (en) 2015-01-21 2016-07-21 Panasonic Intellectual Property Management Co., Ltd. Zoom lens system, interchangeable lens device, and camera system
US20180164540A1 (en) 2016-12-12 2018-06-14 Fujifilm Corporation Imaging lens and imaging apparatus

Also Published As

Publication number Publication date
JP7401316B2 (ja) 2023-12-19
KR20210093752A (ko) 2021-07-28
US11536934B2 (en) 2022-12-27
US11940606B2 (en) 2024-03-26
JP2021113905A (ja) 2021-08-05
US20210223522A1 (en) 2021-07-22
KR20250111278A (ko) 2025-07-22
US20230080985A1 (en) 2023-03-16

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