JP7625382B2 - 観察光学系及びこれを備える撮像装置 - Google Patents

観察光学系及びこれを備える撮像装置 Download PDF

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Publication number
JP7625382B2
JP7625382B2 JP2020141265A JP2020141265A JP7625382B2 JP 7625382 B2 JP7625382 B2 JP 7625382B2 JP 2020141265 A JP2020141265 A JP 2020141265A JP 2020141265 A JP2020141265 A JP 2020141265A JP 7625382 B2 JP7625382 B2 JP 7625382B2
Authority
JP
Japan
Prior art keywords
lens
display panel
observation
optical system
refractive power
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
JP2020141265A
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English (en)
Japanese (ja)
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JP2022036848A5 (enExample
JP2022036848A (ja
Inventor
修一 茂木
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 JP2020141265A priority Critical patent/JP7625382B2/ja
Priority to CN202110952796.0A priority patent/CN114089503B/zh
Priority to US17/409,524 priority patent/US11988895B2/en
Publication of JP2022036848A publication Critical patent/JP2022036848A/ja
Publication of JP2022036848A5 publication Critical patent/JP2022036848A5/ja
Application granted granted Critical
Publication of JP7625382B2 publication Critical patent/JP7625382B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • 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
    • G02B9/14—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - +
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
    • G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
    • G02B13/0035—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having three lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/16—Optical objectives specially designed for the purposes specified below for use in conjunction with image converters or intensifiers, or for use with projectors, e.g. objectives for projection TV
    • 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
    • G02B25/00—Eyepieces; Magnifying glasses
    • G02B25/001—Eyepieces
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP2020141265A 2020-08-24 2020-08-24 観察光学系及びこれを備える撮像装置 Active JP7625382B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2020141265A JP7625382B2 (ja) 2020-08-24 2020-08-24 観察光学系及びこれを備える撮像装置
CN202110952796.0A CN114089503B (zh) 2020-08-24 2021-08-19 观察光学系统和具有观察光学系统的图像拾取装置
US17/409,524 US11988895B2 (en) 2020-08-24 2021-08-23 Observation optical system and apparatus having the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020141265A JP7625382B2 (ja) 2020-08-24 2020-08-24 観察光学系及びこれを備える撮像装置

Publications (3)

Publication Number Publication Date
JP2022036848A JP2022036848A (ja) 2022-03-08
JP2022036848A5 JP2022036848A5 (enExample) 2023-08-29
JP7625382B2 true JP7625382B2 (ja) 2025-02-03

Family

ID=80270683

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020141265A Active JP7625382B2 (ja) 2020-08-24 2020-08-24 観察光学系及びこれを備える撮像装置

Country Status (3)

Country Link
US (1) US11988895B2 (enExample)
JP (1) JP7625382B2 (enExample)
CN (1) CN114089503B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7551382B2 (ja) * 2020-07-30 2024-09-17 キヤノン株式会社 観察装置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
JP2002048985A (ja) 2000-08-02 2002-02-15 Minolta Co Ltd 接眼光学系
JP2004258653A (ja) 2003-02-24 2004-09-16 Eastman Kodak Co 超小型ディスプレイデバイスとの使用に適した光学的拡大器
JP2010134446A (ja) 2008-10-29 2010-06-17 Panasonic Corp 撮像装置における接眼レンズ系、ファインダ光学系、電子ビューファインダ、および撮像装置
JP2012510077A (ja) 2008-11-25 2012-04-26 アイティーティー マニュファクチャリング エンタープライジーズ， インコーポレイテッド フラットフィールドアイピース
JP2016166968A (ja) 2015-03-10 2016-09-15 キヤノン株式会社 接眼光学系

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0792375A (ja) * 1993-09-27 1995-04-07 Canon Inc 視線検出装置
JPH1172699A (ja) * 1997-08-29 1999-03-16 Canon Inc 観察光学装置
JP2002229125A (ja) * 2001-02-06 2002-08-14 Canon Inc 投射型画像表示装置および画像表示システム
JP5136618B2 (ja) 2010-09-21 2013-02-06 株式会社ニコン 観察光学系、当該観察光学系を備えたファインダ装置、および当該観察光学系の製造方法
WO2013046559A1 (ja) * 2011-09-27 2013-04-04 富士フイルム株式会社 接眼光学系
JP6003503B2 (ja) * 2012-10-04 2016-10-05 株式会社ニコン 接眼光学系、光学機器
JP2015060019A (ja) * 2013-09-18 2015-03-30 富士フイルム株式会社 内視鏡用対物レンズおよび内視鏡
JP2016166969A (ja) 2015-03-10 2016-09-15 キヤノン株式会社 接眼レンズ
JP6797747B2 (ja) * 2017-05-10 2020-12-09 キヤノン株式会社 接眼光学系及びそれを有する観察装置
CN109932806B (zh) 2017-12-18 2021-06-08 中强光电股份有限公司 光学镜头

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002048985A (ja) 2000-08-02 2002-02-15 Minolta Co Ltd 接眼光学系
JP2004258653A (ja) 2003-02-24 2004-09-16 Eastman Kodak Co 超小型ディスプレイデバイスとの使用に適した光学的拡大器
JP2010134446A (ja) 2008-10-29 2010-06-17 Panasonic Corp 撮像装置における接眼レンズ系、ファインダ光学系、電子ビューファインダ、および撮像装置
JP2012510077A (ja) 2008-11-25 2012-04-26 アイティーティー マニュファクチャリング エンタープライジーズ， インコーポレイテッド フラットフィールドアイピース
JP2016166968A (ja) 2015-03-10 2016-09-15 キヤノン株式会社 接眼光学系

Also Published As

Publication number Publication date
US20220057600A1 (en) 2022-02-24
CN114089503A (zh) 2022-02-25
CN114089503B (zh) 2024-06-28
US11988895B2 (en) 2024-05-21
JP2022036848A (ja) 2022-03-08

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