JP2024010559A - 光学系およびそれを有する撮像装置 - Google Patents

光学系およびそれを有する撮像装置 Download PDF

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Publication number
JP2024010559A
JP2024010559A JP2022111958A JP2022111958A JP2024010559A JP 2024010559 A JP2024010559 A JP 2024010559A JP 2022111958 A JP2022111958 A JP 2022111958A JP 2022111958 A JP2022111958 A JP 2022111958A JP 2024010559 A JP2024010559 A JP 2024010559A
Authority
JP
Japan
Prior art keywords
lens group
optical system
lens
image side
focal length
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
JP2022111958A
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English (en)
Japanese (ja)
Other versions
JP2024010559A5 (https=
Inventor
哲史 梅原
Tetsushi Umehara
公平 木村
Kohei Kimura
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 JP2022111958A priority Critical patent/JP2024010559A/ja
Priority to CN202310833566.1A priority patent/CN117389017A/zh
Priority to US18/349,554 priority patent/US20240019671A1/en
Publication of JP2024010559A publication Critical patent/JP2024010559A/ja
Publication of JP2024010559A5 publication Critical patent/JP2024010559A5/ja
Pending legal-status Critical Current

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
    • G02B15/145—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
    • G02B15/145121—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
    • G02B15/146—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
    • 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
    • G02B15/145—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
    • G02B15/145105—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
    • G02B15/145—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
    • G02B15/145123—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP2022111958A 2022-07-12 2022-07-12 光学系およびそれを有する撮像装置 Pending JP2024010559A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2022111958A JP2024010559A (ja) 2022-07-12 2022-07-12 光学系およびそれを有する撮像装置
CN202310833566.1A CN117389017A (zh) 2022-07-12 2023-07-07 光学系统、图像拾取装置和光学装置
US18/349,554 US20240019671A1 (en) 2022-07-12 2023-07-10 Optical system, image pickup apparatus, and optical apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022111958A JP2024010559A (ja) 2022-07-12 2022-07-12 光学系およびそれを有する撮像装置

Publications (2)

Publication Number Publication Date
JP2024010559A true JP2024010559A (ja) 2024-01-24
JP2024010559A5 JP2024010559A5 (https=) 2025-07-08

Family

ID=89468999

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022111958A Pending JP2024010559A (ja) 2022-07-12 2022-07-12 光学系およびそれを有する撮像装置

Country Status (3)

Country Link
US (1) US20240019671A1 (https=)
JP (1) JP2024010559A (https=)
CN (1) CN117389017A (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7483489B2 (ja) 2020-05-14 2024-05-15 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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012242742A (ja) * 2011-05-23 2012-12-10 Canon Inc 撮影光学系及びそれを有する撮像装置
US20180314043A1 (en) * 2016-01-25 2018-11-01 Olympus Corporation Single-focus optical system and optical apparatus using the same
JP2019184968A (ja) * 2018-04-17 2019-10-24 オリンパス株式会社 結像光学系及びそれを備えた撮像装置
JP2020181169A (ja) * 2019-04-26 2020-11-05 キヤノン株式会社 光学系及び撮像装置
JP2022014947A (ja) * 2020-07-08 2022-01-21 株式会社タムロン 光学系及び撮像装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6562692B2 (ja) * 2015-04-24 2019-08-21 キヤノン株式会社 光学系及びそれを有する撮像装置
JP6747458B2 (ja) * 2016-02-01 2020-08-26 ソニー株式会社 ズームレンズおよび光学機器
JP6978968B2 (ja) * 2018-03-20 2021-12-08 Ｏｍデジタルソリューションズ株式会社 マクロレンズ及びそれを備えた撮像装置
WO2019229817A1 (ja) * 2018-05-28 2019-12-05 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
JP7163126B2 (ja) * 2018-10-09 2022-10-31 キヤノン株式会社 光学系及び撮像装置
JP7114436B2 (ja) * 2018-10-15 2022-08-08 キヤノン株式会社 光学系およびそれを有する撮像装置
JP7150625B2 (ja) * 2019-01-23 2022-10-11 キヤノン株式会社 ズームレンズ、撮像装置、レンズ装置
US11668914B2 (en) * 2019-11-01 2023-06-06 Panasonic Intellectual Property Management Co., Ltd. Zoom lens system, and lens barrel, image capture device, and camera system including the zoom lens system
US11953662B2 (en) * 2020-02-28 2024-04-09 Ricoh Company, Ltd. Zoom lens, lens barrel, and image-capturing device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012242742A (ja) * 2011-05-23 2012-12-10 Canon Inc 撮影光学系及びそれを有する撮像装置
US20180314043A1 (en) * 2016-01-25 2018-11-01 Olympus Corporation Single-focus optical system and optical apparatus using the same
JP2019184968A (ja) * 2018-04-17 2019-10-24 オリンパス株式会社 結像光学系及びそれを備えた撮像装置
JP2020181169A (ja) * 2019-04-26 2020-11-05 キヤノン株式会社 光学系及び撮像装置
JP2022014947A (ja) * 2020-07-08 2022-01-21 株式会社タムロン 光学系及び撮像装置

Also Published As

Publication number Publication date
CN117389017A (zh) 2024-01-12
US20240019671A1 (en) 2024-01-18

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