JP7749367B2 - 光学系および光学機器 - Google Patents

光学系および光学機器

Info

Publication number
JP7749367B2
JP7749367B2 JP2021117655A JP2021117655A JP7749367B2 JP 7749367 B2 JP7749367 B2 JP 7749367B2 JP 2021117655 A JP2021117655 A JP 2021117655A JP 2021117655 A JP2021117655 A JP 2021117655A JP 7749367 B2 JP7749367 B2 JP 7749367B2
Authority
JP
Japan
Prior art keywords
optical system
optical
reflecting surface
lens
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
JP2021117655A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023013456A5 (https=
JP2023013456A (ja
Inventor
達朗 渡邉
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 JP2021117655A priority Critical patent/JP7749367B2/ja
Priority to US17/854,059 priority patent/US12560779B2/en
Publication of JP2023013456A publication Critical patent/JP2023013456A/ja
Publication of JP2023013456A5 publication Critical patent/JP2023013456A5/ja
Application granted granted Critical
Publication of JP7749367B2 publication Critical patent/JP7749367B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0804—Catadioptric systems using two curved mirrors
    • G02B17/0808—Catadioptric systems using two curved mirrors on-axis systems with at least one of the mirrors having a central aperture
    • 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
    • G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
    • 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
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/10—Power-operated focusing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP2021117655A 2021-07-16 2021-07-16 光学系および光学機器 Active JP7749367B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2021117655A JP7749367B2 (ja) 2021-07-16 2021-07-16 光学系および光学機器
US17/854,059 US12560779B2 (en) 2021-07-16 2022-06-30 Optical system, optical apparatus, and image pickup apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021117655A JP7749367B2 (ja) 2021-07-16 2021-07-16 光学系および光学機器

Publications (3)

Publication Number Publication Date
JP2023013456A JP2023013456A (ja) 2023-01-26
JP2023013456A5 JP2023013456A5 (https=) 2024-07-17
JP7749367B2 true JP7749367B2 (ja) 2025-10-06

Family

ID=85038137

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021117655A Active JP7749367B2 (ja) 2021-07-16 2021-07-16 光学系および光学機器

Country Status (2)

Country Link
US (1) US12560779B2 (https=)
JP (1) JP7749367B2 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2025068208A (ja) * 2023-10-16 2025-04-28 キヤノン株式会社 光学系および撮像装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012108137A1 (ja) 2011-02-09 2012-08-16 コニカミノルタオプト株式会社 反射屈折光学系
JP2017219642A (ja) 2016-06-07 2017-12-14 キヤノン株式会社 反射屈折光学系及びそれを有する撮像装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4971428A (en) * 1989-03-27 1990-11-20 Lenzar Optics Corporation Catadioptric zoom lens
JP5915489B2 (ja) 2012-10-04 2016-05-11 ソニー株式会社 反射屈折型レンズ系および撮像装置
EP3200033B1 (de) 2016-01-29 2019-07-10 Siemens Aktiengesellschaft Anordnung mit zumindest zwei peripherie-einheiten und mit einem sensor
JP2018072457A (ja) 2016-10-26 2018-05-10 株式会社タムロン 光学系及び撮像装置
JP7401265B2 (ja) * 2019-11-07 2023-12-19 キヤノン株式会社 光学系および光学機器

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012108137A1 (ja) 2011-02-09 2012-08-16 コニカミノルタオプト株式会社 反射屈折光学系
JP2017219642A (ja) 2016-06-07 2017-12-14 キヤノン株式会社 反射屈折光学系及びそれを有する撮像装置

Also Published As

Publication number Publication date
US12560779B2 (en) 2026-02-24
US20230031845A1 (en) 2023-02-02
JP2023013456A (ja) 2023-01-26

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