JP7292993B2 - 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
JP7292993B2
JP7292993B2 JP2019113311A JP2019113311A JP7292993B2 JP 7292993 B2 JP7292993 B2 JP 7292993B2 JP 2019113311 A JP2019113311 A JP 2019113311A JP 2019113311 A JP2019113311 A JP 2019113311A JP 7292993 B2 JP7292993 B2 JP 7292993B2
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JP
Japan
Prior art keywords
lens group
lens
refractive power
subgroup
negative
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Active
Application number
JP2019113311A
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English (en)
Japanese (ja)
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JP2020204744A5 (enExample
JP2020204744A (ja
Inventor
健志 篠原
丈大 森
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
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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 JP2019113311A priority Critical patent/JP7292993B2/ja
Priority to US16/898,983 priority patent/US11703661B2/en
Publication of JP2020204744A publication Critical patent/JP2020204744A/ja
Publication of JP2020204744A5 publication Critical patent/JP2020204744A5/ja
Application granted granted Critical
Publication of JP7292993B2 publication Critical patent/JP7292993B2/ja
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    • 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
    • G02B13/001—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
    • G02B13/005—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having spherical lenses only
    • 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 -
    • G02B9/62—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having six components only

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Studio Devices (AREA)
JP2019113311A 2019-06-19 2019-06-19 光学系、および光学機器 Active JP7292993B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2019113311A JP7292993B2 (ja) 2019-06-19 2019-06-19 光学系、および光学機器
US16/898,983 US11703661B2 (en) 2019-06-19 2020-06-11 Optical system and optical apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019113311A JP7292993B2 (ja) 2019-06-19 2019-06-19 光学系、および光学機器

Publications (3)

Publication Number Publication Date
JP2020204744A JP2020204744A (ja) 2020-12-24
JP2020204744A5 JP2020204744A5 (enExample) 2022-06-13
JP7292993B2 true JP7292993B2 (ja) 2023-06-19

Family

ID=73838360

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019113311A Active JP7292993B2 (ja) 2019-06-19 2019-06-19 光学系、および光学機器

Country Status (2)

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US (1) US11703661B2 (enExample)
JP (1) JP7292993B2 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7413044B2 (ja) 2020-01-27 2024-01-15 キヤノン株式会社 ズームレンズおよびそれを有する撮像装置、撮像システム
JP7521956B2 (ja) * 2020-07-08 2024-07-24 株式会社タムロン 光学系及び撮像装置
JP7515321B2 (ja) * 2020-07-08 2024-07-12 株式会社タムロン 光学系及び撮像装置
JP7580740B2 (ja) * 2020-08-17 2024-11-12 株式会社シグマ 光学系
JP7672869B2 (ja) 2021-04-15 2025-05-08 キヤノン株式会社 光学系およびそれを有する撮像装置
JP2023134075A (ja) * 2022-03-14 2023-09-27 株式会社タムロン 光学系及び撮像装置
JP7532438B2 (ja) 2022-03-23 2024-08-13 キヤノン株式会社 光学系およびそれを有する撮像装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000231056A (ja) 1999-02-09 2000-08-22 Canon Inc 撮影レンズ及びそれを有する撮影装置
JP2001272601A (ja) 2000-03-27 2001-10-05 Canon Inc 光学系及びそれを用いた光学機器
CN105739216A (zh) 2014-12-24 2016-07-06 佳能株式会社 图像模糊校正设备、摄像设备及光学设备

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61215513A (ja) * 1985-03-20 1986-09-25 Tokinaa Kogaku Kk 望遠レンズ
JP4323584B2 (ja) * 1998-04-30 2009-09-02 キヤノン株式会社 防振機能を有した変倍光学系
JP6143501B2 (ja) 2013-03-13 2017-06-07 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
JP6344965B2 (ja) 2014-05-08 2018-06-20 キヤノン株式会社 光学系及びそれを有する撮像装置
JP6406870B2 (ja) 2014-05-08 2018-10-17 キヤノン株式会社 光学系及びそれを有する撮像装置
JP6562971B2 (ja) 2017-06-02 2019-08-21 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
US10887510B2 (en) 2017-11-16 2021-01-05 Canon Kabushiki Kaisha Processing apparatus, lens apparatus and image pickup apparatus for reducing the shift of composition during tilt photography

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000231056A (ja) 1999-02-09 2000-08-22 Canon Inc 撮影レンズ及びそれを有する撮影装置
JP2001272601A (ja) 2000-03-27 2001-10-05 Canon Inc 光学系及びそれを用いた光学機器
CN105739216A (zh) 2014-12-24 2016-07-06 佳能株式会社 图像模糊校正设备、摄像设备及光学设备

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Publication number Publication date
US11703661B2 (en) 2023-07-18
JP2020204744A (ja) 2020-12-24
US20200400919A1 (en) 2020-12-24

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