JP7612399B2 - ズームレンズおよびそれを有するレンズ装置および撮像装置 - Google Patents

ズームレンズおよびそれを有するレンズ装置および撮像装置 Download PDF

Info

Publication number
JP7612399B2
JP7612399B2 JP2020200477A JP2020200477A JP7612399B2 JP 7612399 B2 JP7612399 B2 JP 7612399B2 JP 2020200477 A JP2020200477 A JP 2020200477A JP 2020200477 A JP2020200477 A JP 2020200477A JP 7612399 B2 JP7612399 B2 JP 7612399B2
Authority
JP
Japan
Prior art keywords
lens
zoom
lens group
focal length
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.)
Active
Application number
JP2020200477A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022088182A (ja
JP2022088182A5 (https=
Inventor
哲史 梅原
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 JP2020200477A priority Critical patent/JP7612399B2/ja
Priority to CN202111430171.4A priority patent/CN114594582B/zh
Priority to US17/537,222 priority patent/US12228712B2/en
Publication of JP2022088182A publication Critical patent/JP2022088182A/ja
Publication of JP2022088182A5 publication Critical patent/JP2022088182A5/ja
Application granted granted Critical
Publication of JP7612399B2 publication Critical patent/JP7612399B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • G02B15/143—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
    • G02B15/1435—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 negative
    • G02B15/143507—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 negative 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
    • G02B15/1421—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 positive
    • 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
    • G02B15/143—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
    • 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
    • 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
    • G02B15/1455—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 negative
    • G02B15/145515—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 negative 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
    • G02B15/1455—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 negative
    • G02B15/145521—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 negative 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
    • G02B15/1455—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 negative
    • G02B15/145531—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 negative 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
    • G02B15/1465—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 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
    • G02B15/16—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP2020200477A 2020-12-02 2020-12-02 ズームレンズおよびそれを有するレンズ装置および撮像装置 Active JP7612399B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2020200477A JP7612399B2 (ja) 2020-12-02 2020-12-02 ズームレンズおよびそれを有するレンズ装置および撮像装置
CN202111430171.4A CN114594582B (zh) 2020-12-02 2021-11-29 变焦透镜和具有变焦透镜的装置
US17/537,222 US12228712B2 (en) 2020-12-02 2021-11-29 Zoom lens and apparatus having the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020200477A JP7612399B2 (ja) 2020-12-02 2020-12-02 ズームレンズおよびそれを有するレンズ装置および撮像装置

Publications (3)

Publication Number Publication Date
JP2022088182A JP2022088182A (ja) 2022-06-14
JP2022088182A5 JP2022088182A5 (https=) 2023-12-06
JP7612399B2 true JP7612399B2 (ja) 2025-01-14

Family

ID=81752005

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020200477A Active JP7612399B2 (ja) 2020-12-02 2020-12-02 ズームレンズおよびそれを有するレンズ装置および撮像装置

Country Status (3)

Country Link
US (1) US12228712B2 (https=)
JP (1) JP7612399B2 (https=)
CN (1) CN114594582B (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022155067A (ja) * 2021-03-30 2022-10-13 ソニーグループ株式会社 ズームレンズおよび撮像装置

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004157195A (ja) 2002-11-01 2004-06-03 Ricoh Co Ltd ズームレンズ、カメラおよび携帯情報端末装置
JP2007094371A (ja) 2005-08-30 2007-04-12 Pentax Corp 魚眼レンズ系及び魚眼ズームレンズ系
JP2009103790A (ja) 2007-10-22 2009-05-14 Canon Inc ズームレンズ及びそれを有する撮像装置
JP2009271165A (ja) 2008-05-01 2009-11-19 Canon Inc ズームレンズ及びそれを有する撮像装置
JP2012022109A (ja) 2010-07-14 2012-02-02 Canon Inc 光学系および光学機器
JP2012123412A (ja) 2005-08-30 2012-06-28 Pentax Ricoh Imaging Co Ltd 魚眼レンズ系及び魚眼ズームレンズ系
US20130235467A1 (en) 2012-03-09 2013-09-12 Samsung Electronics Co., Ltd. Fish eye lens system and photographing apparatus including the same
JP2014178388A (ja) 2013-03-13 2014-09-25 Tamron Co Ltd 超広角ズームレンズ
JP2017003646A (ja) 2015-06-05 2017-01-05 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
JP2017068114A (ja) 2015-09-30 2017-04-06 株式会社ニコン 魚眼ズームレンズ、光学機器及び魚眼ズームレンズの製造方法
JP2017156507A (ja) 2016-03-01 2017-09-07 株式会社ニコン 魚眼ズームレンズ、光学機器及び魚眼ズームレンズの製造方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7333273B2 (en) * 2006-03-24 2008-02-19 Nikon Corporation Zoom lens system, imaging apparatus and method for varying focal length
KR101499556B1 (ko) * 2009-04-29 2015-03-06 삼성전자주식회사 줌 렌즈 및 이를 채용한 결상 광학 장치
JP5489686B2 (ja) 2009-12-11 2014-05-14 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
JP2011197470A (ja) 2010-03-19 2011-10-06 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
WO2015178095A1 (ja) * 2014-05-19 2015-11-26 オリンパス株式会社 ズームレンズ及びそれを有する撮像装置
CN111458854B (zh) * 2015-01-30 2022-07-08 株式会社尼康 变焦镜头以及光学设备
JP7158981B2 (ja) * 2018-10-04 2022-10-24 キヤノン株式会社 ズームレンズおよびそれを有する光学機器
US11480776B2 (en) 2019-03-29 2022-10-25 Canon Kabushiki Kaisha Zoom lens and imaging apparatus having the same
WO2021039696A1 (ja) * 2019-08-29 2021-03-04 株式会社ニコン 変倍光学系、光学機器及び変倍光学系の製造方法
US12085700B2 (en) * 2019-11-01 2024-09-10 Panasonic Intellectual Property Management Co., Ltd. Imaging optical system, image capture device, and camera system
TWI746156B (zh) * 2020-09-09 2021-11-11 大立光電股份有限公司 影像擷取鏡頭、取像裝置及電子裝置

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004157195A (ja) 2002-11-01 2004-06-03 Ricoh Co Ltd ズームレンズ、カメラおよび携帯情報端末装置
JP2007094371A (ja) 2005-08-30 2007-04-12 Pentax Corp 魚眼レンズ系及び魚眼ズームレンズ系
JP2012123412A (ja) 2005-08-30 2012-06-28 Pentax Ricoh Imaging Co Ltd 魚眼レンズ系及び魚眼ズームレンズ系
JP2009103790A (ja) 2007-10-22 2009-05-14 Canon Inc ズームレンズ及びそれを有する撮像装置
JP2009271165A (ja) 2008-05-01 2009-11-19 Canon Inc ズームレンズ及びそれを有する撮像装置
JP2012022109A (ja) 2010-07-14 2012-02-02 Canon Inc 光学系および光学機器
US20130235467A1 (en) 2012-03-09 2013-09-12 Samsung Electronics Co., Ltd. Fish eye lens system and photographing apparatus including the same
JP2014178388A (ja) 2013-03-13 2014-09-25 Tamron Co Ltd 超広角ズームレンズ
JP2017003646A (ja) 2015-06-05 2017-01-05 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
JP2017068114A (ja) 2015-09-30 2017-04-06 株式会社ニコン 魚眼ズームレンズ、光学機器及び魚眼ズームレンズの製造方法
JP2017156507A (ja) 2016-03-01 2017-09-07 株式会社ニコン 魚眼ズームレンズ、光学機器及び魚眼ズームレンズの製造方法

Also Published As

Publication number Publication date
CN114594582A (zh) 2022-06-07
US12228712B2 (en) 2025-02-18
JP2022088182A (ja) 2022-06-14
US20220171172A1 (en) 2022-06-02
CN114594582B (zh) 2024-06-07

Similar Documents

Publication Publication Date Title
JP5045267B2 (ja) ズームレンズ及び撮像装置
JP5045266B2 (ja) ズームレンズ及び撮像装置
CN102483515B (zh) 变焦透镜系统
JP4666977B2 (ja) ズームレンズ及びそれを有する撮像装置
JP2004334185A (ja) ズームレンズ
JP7693885B2 (ja) 光学系、およびそれを有する撮像装置、レンズ装置
JP2011252962A (ja) 結像光学系及びそれを備えた撮像装置
JP2010224263A (ja) ズーム光学系およびそれを備えた撮像装置
JP4268773B2 (ja) ズームレンズにおける変倍群・ズームレンズ・撮像装置
JP2022080409A (ja) ズームレンズ及びそれを有する撮像装置
JP2011203293A (ja) ズームレンズ系、交換レンズ装置、及びカメラシステム
JP2004318097A (ja) ズームレンズ装置
JP7566550B2 (ja) ズームレンズ及びそれを有する撮像装置、撮像システム
JP2005134746A (ja) ズームレンズ及びそれを有する撮像装置
JP4653456B2 (ja) ズームレンズおよび情報装置
JP4911679B2 (ja) ズームレンズ及びそれを備えた撮像装置
JP7612399B2 (ja) ズームレンズおよびそれを有するレンズ装置および撮像装置
WO2011099250A1 (ja) ズームレンズ系、交換レンズ装置、及びカメラシステム
JP5583149B2 (ja) ズームレンズ系、交換レンズ装置、及びカメラシステム
JPH11174322A (ja) ズームレンズ
JP2005308905A (ja) 変倍光学系
JP5005959B2 (ja) ズームレンズ・撮像装置および携帯情報端末装置
JP2004240123A (ja) レンズ系
JP2003131134A (ja) ズームレンズ及びカメラ
JP7794628B2 (ja) 光学系及び撮像装置

Legal Events

Date Code Title Description
RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7421

Effective date: 20220630

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231128

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20231128

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20240613

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20240702

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240829

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20241126

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20241225

R150 Certificate of patent or registration of utility model

Ref document number: 7612399

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150