CN114375413B - 变倍光学系统及光学设备 - Google Patents

变倍光学系统及光学设备 Download PDF

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Publication number
CN114375413B
CN114375413B CN202080060100.7A CN202080060100A CN114375413B CN 114375413 B CN114375413 B CN 114375413B CN 202080060100 A CN202080060100 A CN 202080060100A CN 114375413 B CN114375413 B CN 114375413B
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China
Prior art keywords
lens group
focusing
optical system
variable magnification
lens
Prior art date
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CN202080060100.7A
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English (en)
Chinese (zh)
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CN114375413A (zh
Inventor
村谷真美
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Nikon Corp
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Nikon Corp
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Classifications

    • 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
    • G02B15/146—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 having more than five groups
    • G02B15/1461—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 having more than five groups the first group being positive
    • 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
    • G02B15/142—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 having two groups only
    • G02B15/1421—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 having two groups only the first group being positive
    • 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
    • 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
    • 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
    • G02B27/0012—Optical design, e.g. procedures, algorithms, optimisation routines

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
CN202080060100.7A 2019-08-29 2020-08-24 变倍光学系统及光学设备 Active CN114375413B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2019-157408 2019-08-29
JP2019-157409 2019-08-29
JP2019157409 2019-08-29
JP2019157408 2019-08-29
PCT/JP2020/031788 WO2021039697A1 (ja) 2019-08-29 2020-08-24 変倍光学系、光学機器および変倍光学系の製造方法

Publications (2)

Publication Number Publication Date
CN114375413A CN114375413A (zh) 2022-04-19
CN114375413B true CN114375413B (zh) 2023-12-26

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CN202080060100.7A Active CN114375413B (zh) 2019-08-29 2020-08-24 变倍光学系统及光学设备

Country Status (4)

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US (2) US12449644B2 (https=)
JP (1) JP7243841B2 (https=)
CN (1) CN114375413B (https=)
WO (1) WO2021039697A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7752988B2 (ja) * 2021-07-27 2025-10-14 キヤノン株式会社 ズームレンズ、エクステンダ、及び撮像装置
JP2023176289A (ja) * 2022-05-31 2023-12-13 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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103837969A (zh) * 2012-11-22 2014-06-04 佳能株式会社 变焦透镜和图像拾取设备
CN108292031A (zh) * 2015-11-30 2018-07-17 株式会社尼康 变倍光学系统、光学设备以及变倍光学系统的制造方法
CN109952524A (zh) * 2016-11-21 2019-06-28 株式会社尼康 变倍光学系统、使用了该变倍光学系统的光学设备和摄像设备、以及该变倍光学系统的制造方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5241421A (en) 1990-01-31 1993-08-31 Canon Kabushiki Kaisha Zoom lens
JP2832057B2 (ja) * 1990-01-31 1998-12-02 キヤノン株式会社 リアーフォーカスズームレンズ
WO2011045913A1 (ja) * 2009-10-13 2011-04-21 パナソニック株式会社 ズームレンズ系、撮像装置及びカメラ
JP5851286B2 (ja) * 2011-03-24 2016-02-03 Hoya株式会社 ズームレンズ系
US8867143B2 (en) * 2011-11-16 2014-10-21 Canon Kabushiki Kaisha Zoom lens and image pickup apparatus including the same
JP5885026B2 (ja) 2012-02-29 2016-03-15 株式会社ニコン 変倍光学系、この変倍光学系を有する光学機器、及び、変倍光学系の製造方法
JP2015152665A (ja) 2014-02-12 2015-08-24 ソニー株式会社 ズームレンズおよび光学機器
JP6289219B2 (ja) * 2014-04-01 2018-03-07 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
JP6536583B2 (ja) 2014-08-29 2019-07-03 株式会社ニコン 変倍光学系及び光学機器
JP2017219643A (ja) 2016-06-07 2017-12-14 キヤノン株式会社 ズームレンズ
WO2018139160A1 (ja) * 2017-01-25 2018-08-02 ソニー株式会社 ズームレンズおよび撮像装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103837969A (zh) * 2012-11-22 2014-06-04 佳能株式会社 变焦透镜和图像拾取设备
CN108292031A (zh) * 2015-11-30 2018-07-17 株式会社尼康 变倍光学系统、光学设备以及变倍光学系统的制造方法
CN109952524A (zh) * 2016-11-21 2019-06-28 株式会社尼康 变倍光学系统、使用了该变倍光学系统的光学设备和摄像设备、以及该变倍光学系统的制造方法

Also Published As

Publication number Publication date
JP7243841B2 (ja) 2023-03-22
CN114375413A (zh) 2022-04-19
WO2021039697A1 (ja) 2021-03-04
US20260016669A1 (en) 2026-01-15
US20220291490A1 (en) 2022-09-15
US12449644B2 (en) 2025-10-21
JPWO2021039697A1 (https=) 2021-03-04

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