JP7576055B2 - 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
JP7576055B2
JP7576055B2 JP2022024542A JP2022024542A JP7576055B2 JP 7576055 B2 JP7576055 B2 JP 7576055B2 JP 2022024542 A JP2022024542 A JP 2022024542A JP 2022024542 A JP2022024542 A JP 2022024542A JP 7576055 B2 JP7576055 B2 JP 7576055B2
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JP
Japan
Prior art keywords
lens group
lens
wide
zoom
angle end
Prior art date
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Active
Application number
JP2022024542A
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English (en)
Japanese (ja)
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JP2023121287A (ja
Inventor
和也 下村
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 JP2022024542A priority Critical patent/JP7576055B2/ja
Priority to GB2302094.4A priority patent/GB2617676A/en
Priority to US18/170,464 priority patent/US20230266574A1/en
Priority to DE102023104103.7A priority patent/DE102023104103A1/de
Publication of JP2023121287A publication Critical patent/JP2023121287A/ja
Priority to JP2024180713A priority patent/JP7839244B2/ja
Application granted granted Critical
Publication of JP7576055B2 publication Critical patent/JP7576055B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • G02B15/16—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 interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
    • G02B15/20—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 interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having an additional movable lens or lens group for varying the objective focal length
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/02—Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length
    • 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
    • G02B15/142—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
    • G02B15/1425—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 the first group being negative
    • 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
    • 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
    • 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
    • G02B15/15—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 compensation by means of only one movement or by means of only linearly related movements, e.g. optical compensation
    • 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
    • G02B15/16—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 interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
    • G02B15/163—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 interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
    • 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
    • G02B15/16—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 interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
    • G02B15/177—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 interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a negative front lens or group of lenses
    • 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
    • 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
    • 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 -
    • G02B9/62—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having six 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 -
    • G02B9/64—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having more than six components

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP2022024542A 2022-02-21 2022-02-21 ズームレンズおよび撮像装置 Active JP7576055B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2022024542A JP7576055B2 (ja) 2022-02-21 2022-02-21 ズームレンズおよび撮像装置
GB2302094.4A GB2617676A (en) 2022-02-21 2023-02-14 Zoom lens and image pickup apparatus
US18/170,464 US20230266574A1 (en) 2022-02-21 2023-02-16 Zoom lens and image pickup apparatus
DE102023104103.7A DE102023104103A1 (de) 2022-02-21 2023-02-20 Zoomobjektiv und Bildaufnahmegerät
JP2024180713A JP7839244B2 (ja) 2022-02-21 2024-10-16 ズームレンズおよび撮像装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022024542A JP7576055B2 (ja) 2022-02-21 2022-02-21 ズームレンズおよび撮像装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2024180713A Division JP7839244B2 (ja) 2022-02-21 2024-10-16 ズームレンズおよび撮像装置

Publications (2)

Publication Number Publication Date
JP2023121287A JP2023121287A (ja) 2023-08-31
JP7576055B2 true JP7576055B2 (ja) 2024-10-30

Family

ID=85704300

Family Applications (2)

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JP2022024542A Active JP7576055B2 (ja) 2022-02-21 2022-02-21 ズームレンズおよび撮像装置
JP2024180713A Active JP7839244B2 (ja) 2022-02-21 2024-10-16 ズームレンズおよび撮像装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2024180713A Active JP7839244B2 (ja) 2022-02-21 2024-10-16 ズームレンズおよび撮像装置

Country Status (4)

Country Link
US (1) US20230266574A1 (https=)
JP (2) JP7576055B2 (https=)
DE (1) DE102023104103A1 (https=)
GB (1) GB2617676A (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2025017939A (ja) * 2023-07-26 2025-02-06 京楽産業．株式会社 遊技機

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011039399A (ja) 2009-08-17 2011-02-24 Canon Inc ズームレンズ及びそれを有する撮像装置
JP2016109952A (ja) 2014-12-09 2016-06-20 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
JP2020085935A (ja) 2018-11-15 2020-06-04 キヤノン株式会社 ズームレンズ及び撮像装置
JP2021047381A (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
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
JP2021056491A (ja) 2019-09-30 2021-04-08 富士フイルム株式会社 エクステンダーレンズ、光学系、および撮像装置
JP2021063885A (ja) 2019-10-11 2021-04-22 キヤノン株式会社 ズームレンズおよび撮像装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6034647B2 (ja) 2012-10-16 2016-11-30 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
JP5679092B1 (ja) * 2013-02-26 2015-03-04 リコーイメージング株式会社 ズームレンズ系
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011039399A (ja) 2009-08-17 2011-02-24 Canon Inc ズームレンズ及びそれを有する撮像装置
JP2016109952A (ja) 2014-12-09 2016-06-20 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
JP2020085935A (ja) 2018-11-15 2020-06-04 キヤノン株式会社 ズームレンズ及び撮像装置
JP2021047381A (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
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
JP2021056491A (ja) 2019-09-30 2021-04-08 富士フイルム株式会社 エクステンダーレンズ、光学系、および撮像装置
JP2021063885A (ja) 2019-10-11 2021-04-22 キヤノン株式会社 ズームレンズおよび撮像装置

Also Published As

Publication number Publication date
JP2024180591A (ja) 2024-12-26
GB2617676A (en) 2023-10-18
US20230266574A1 (en) 2023-08-24
DE102023104103A1 (de) 2023-08-24
JP2023121287A (ja) 2023-08-31
GB202302094D0 (en) 2023-03-29
JP7839244B2 (ja) 2026-04-01

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