JP7401265B2 - 光学系および光学機器 - Google Patents

光学系および光学機器 Download PDF

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Publication number
JP7401265B2
JP7401265B2 JP2019202420A JP2019202420A JP7401265B2 JP 7401265 B2 JP7401265 B2 JP 7401265B2 JP 2019202420 A JP2019202420 A JP 2019202420A JP 2019202420 A JP2019202420 A JP 2019202420A JP 7401265 B2 JP7401265 B2 JP 7401265B2
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JP
Japan
Prior art keywords
optical system
group
optical
lens group
reflective surface
Prior art date
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Active
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JP2019202420A
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English (en)
Japanese (ja)
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JP2021076670A (ja
JP2021076670A5 (enExample
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.)
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2019202420A priority Critical patent/JP7401265B2/ja
Priority to US17/081,010 priority patent/US11822096B2/en
Publication of JP2021076670A publication Critical patent/JP2021076670A/ja
Publication of JP2021076670A5 publication Critical patent/JP2021076670A5/ja
Application granted granted Critical
Publication of JP7401265B2 publication Critical patent/JP7401265B2/ja
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Classifications

    • 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
    • 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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP2019202420A 2019-11-07 2019-11-07 光学系および光学機器 Active JP7401265B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2019202420A JP7401265B2 (ja) 2019-11-07 2019-11-07 光学系および光学機器
US17/081,010 US11822096B2 (en) 2019-11-07 2020-10-27 Optical system and optical apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019202420A JP7401265B2 (ja) 2019-11-07 2019-11-07 光学系および光学機器

Publications (3)

Publication Number Publication Date
JP2021076670A JP2021076670A (ja) 2021-05-20
JP2021076670A5 JP2021076670A5 (enExample) 2022-11-11
JP7401265B2 true JP7401265B2 (ja) 2023-12-19

Family

ID=75846718

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019202420A Active JP7401265B2 (ja) 2019-11-07 2019-11-07 光学系および光学機器

Country Status (2)

Country Link
US (1) US11822096B2 (enExample)
JP (1) JP7401265B2 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7749367B2 (ja) * 2021-07-16 2025-10-06 キヤノン株式会社 光学系および光学機器
KR20230032598A (ko) * 2021-08-31 2023-03-07 삼성전자주식회사 이미징 렌즈 시스템
CN114114624B (zh) * 2021-12-01 2023-10-27 浙江舜宇光学有限公司 光学镜片组
CN114488486B (zh) * 2022-02-14 2023-10-27 浙江舜宇光学有限公司 光学成像系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160306149A1 (en) 2015-02-02 2016-10-20 Visionmap Ltd. Cassegrain telescope with angled reflector
WO2018066313A1 (ja) 2016-10-03 2018-04-12 株式会社ニコン 反射屈折光学系および光学装置
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
JP2018091956A (ja) 2016-12-01 2018-06-14 キヤノン電子株式会社 カタディオプトリック光学系
JP2019148791A (ja) 2018-02-27 2019-09-05 富士フイルム株式会社 変倍光学系及び撮像装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5331467A (en) * 1991-02-25 1994-07-19 Nikon Corporation Reflex lens system having the antivibration function
JPH0553058A (ja) 1991-02-25 1993-03-05 Nikon Corp 防振機能を有するレフレツクスレンズ系
JPH11212132A (ja) 1998-01-22 1999-08-06 Minolta Co Ltd 手ぶれ補正機能付き撮影レンズ
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
US10948701B2 (en) * 2018-02-27 2021-03-16 Fujifilm Corporation Variable magnification optical system and imaging apparatus
US11221470B2 (en) * 2018-02-27 2022-01-11 Fujifilm Corporation Variable magnification optical system and imaging apparatus
CN114600027B (zh) * 2019-10-29 2023-11-14 富士胶片株式会社 变倍光学系统及摄像装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160306149A1 (en) 2015-02-02 2016-10-20 Visionmap Ltd. Cassegrain telescope with angled reflector
WO2018066313A1 (ja) 2016-10-03 2018-04-12 株式会社ニコン 反射屈折光学系および光学装置
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
JP2018091956A (ja) 2016-12-01 2018-06-14 キヤノン電子株式会社 カタディオプトリック光学系
JP2019148791A (ja) 2018-02-27 2019-09-05 富士フイルム株式会社 変倍光学系及び撮像装置

Also Published As

Publication number Publication date
US11822096B2 (en) 2023-11-21
JP2021076670A (ja) 2021-05-20
US20210141240A1 (en) 2021-05-13

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