JP7218761B2 - 変倍光学系および光学機器 - Google Patents

変倍光学系および光学機器 Download PDF

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Publication number
JP7218761B2
JP7218761B2 JP2020562007A JP2020562007A JP7218761B2 JP 7218761 B2 JP7218761 B2 JP 7218761B2 JP 2020562007 A JP2020562007 A JP 2020562007A JP 2020562007 A JP2020562007 A JP 2020562007A JP 7218761 B2 JP7218761 B2 JP 7218761B2
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Prior art keywords
lens
lens group
optical system
variable
conditional expression
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Japanese (ja)
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JPWO2020136744A1 (ja
Inventor
幸介 町田
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Nikon Corp
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Nikon Corp
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Publication of JPWO2020136744A1 publication Critical patent/JPWO2020136744A1/ja
Priority to JP2023004274A priority Critical patent/JP7491415B2/ja
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Publication of JP7218761B2 publication Critical patent/JP7218761B2/ja
Priority to JP2024076864A priority patent/JP2024092057A/ja
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    • 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
    • G02B15/16—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 interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
    • G02B15/20—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 interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having an additional movable lens or lens group for varying the objective focal length

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP2020562007A 2018-12-26 2018-12-26 変倍光学系および光学機器 Active JP7218761B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2023004274A JP7491415B2 (ja) 2018-12-26 2023-01-16 変倍光学系および光学機器
JP2024076864A JP2024092057A (ja) 2018-12-26 2024-05-10 変倍光学系および光学機器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/047776 WO2020136744A1 (ja) 2018-12-26 2018-12-26 変倍光学系、光学機器および変倍光学系の製造方法

Related Child Applications (1)

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JP2023004274A Division JP7491415B2 (ja) 2018-12-26 2023-01-16 変倍光学系および光学機器

Publications (2)

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JPWO2020136744A1 JPWO2020136744A1 (ja) 2021-09-27
JP7218761B2 true JP7218761B2 (ja) 2023-02-07

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ID=71126963

Family Applications (3)

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JP2020562007A Active JP7218761B2 (ja) 2018-12-26 2018-12-26 変倍光学系および光学機器
JP2023004274A Active JP7491415B2 (ja) 2018-12-26 2023-01-16 変倍光学系および光学機器
JP2024076864A Pending JP2024092057A (ja) 2018-12-26 2024-05-10 変倍光学系および光学機器

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JP2023004274A Active JP7491415B2 (ja) 2018-12-26 2023-01-16 変倍光学系および光学機器
JP2024076864A Pending JP2024092057A (ja) 2018-12-26 2024-05-10 変倍光学系および光学機器

Country Status (2)

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JP (3) JP7218761B2 (enrdf_load_stackoverflow)
WO (1) WO2020136744A1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020136744A1 (ja) * 2018-12-26 2020-07-02 株式会社ニコン 変倍光学系、光学機器および変倍光学系の製造方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001075008A (ja) 1999-09-02 2001-03-23 Nikon Corp 防振機能を有するズームレンズ
JP2001108902A (ja) 1999-10-12 2001-04-20 Sigma Corp 高変倍ズームレンズ
JP2005043607A (ja) 2003-07-28 2005-02-17 Ricoh Co Ltd ズームレンズ、カメラ、携帯情報端末装置およびプロジェクタ
JP2005107273A (ja) 2003-09-30 2005-04-21 Nikon Corp 可変焦点距離レンズ
JP2005345714A (ja) 2004-06-02 2005-12-15 Konica Minolta Photo Imaging Inc 撮像装置
JP2018049201A (ja) 2016-09-23 2018-03-29 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
JP2019179060A (ja) 2018-03-30 2019-10-17 キヤノン株式会社 撮像光学系

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3932062B2 (ja) * 1997-03-26 2007-06-20 株式会社栃木ニコン ズームレンズ
JP2014211468A (ja) * 2013-04-17 2014-11-13 ソニー株式会社 ズームレンズおよび撮像装置
JP6586636B2 (ja) * 2015-01-21 2019-10-09 パナソニックＩｐマネジメント株式会社 ズームレンズ系、交換レンズ装置及びカメラシステム
JP6608145B2 (ja) * 2015-02-04 2019-11-20 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
JP6957181B2 (ja) * 2017-03-31 2021-11-02 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
JP7210245B2 (ja) * 2018-11-29 2023-01-23 キヤノン株式会社 ズームレンズ及び撮像装置
WO2020136744A1 (ja) * 2018-12-26 2020-07-02 株式会社ニコン 変倍光学系、光学機器および変倍光学系の製造方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001075008A (ja) 1999-09-02 2001-03-23 Nikon Corp 防振機能を有するズームレンズ
JP2001108902A (ja) 1999-10-12 2001-04-20 Sigma Corp 高変倍ズームレンズ
JP2005043607A (ja) 2003-07-28 2005-02-17 Ricoh Co Ltd ズームレンズ、カメラ、携帯情報端末装置およびプロジェクタ
JP2005107273A (ja) 2003-09-30 2005-04-21 Nikon Corp 可変焦点距離レンズ
JP2005345714A (ja) 2004-06-02 2005-12-15 Konica Minolta Photo Imaging Inc 撮像装置
JP2018049201A (ja) 2016-09-23 2018-03-29 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
JP2019179060A (ja) 2018-03-30 2019-10-17 キヤノン株式会社 撮像光学系

Also Published As

Publication number Publication date
JP7491415B2 (ja) 2024-05-28
JPWO2020136744A1 (ja) 2021-09-27
JP2024092057A (ja) 2024-07-05
WO2020136744A1 (ja) 2020-07-02
JP2023040257A (ja) 2023-03-22

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