JP7109686B2 - 変倍光学系および撮像装置 - Google Patents

変倍光学系および撮像装置 Download PDF

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Publication number
JP7109686B2
JP7109686B2 JP2021554326A JP2021554326A JP7109686B2 JP 7109686 B2 JP7109686 B2 JP 7109686B2 JP 2021554326 A JP2021554326 A JP 2021554326A JP 2021554326 A JP2021554326 A JP 2021554326A JP 7109686 B2 JP7109686 B2 JP 7109686B2
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Japan
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group
optical system
conditional expression
line
variable
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JP2021554326A
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Japanese (ja)
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JPWO2021085142A1 (https=
JPWO2021085142A5 (https=
Inventor
右恭 富岡
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Fujifilm Corp
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Fujifilm Corp
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    • 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
    • G02B15/145—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 five groups only
    • G02B15/1451—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 five groups only the first group being positive
    • G02B15/145127—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 five groups only the first group being positive arranged ++-++
    • 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
    • G02B15/163—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 a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
    • G02B15/167—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 a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses
    • 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
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0896—Catadioptric systems with variable magnification or multiple imaging planes, including multispectral systems

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP2021554326A 2019-10-29 2020-10-14 変倍光学系および撮像装置 Active JP7109686B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019196725 2019-10-29
JP2019196725 2019-10-29
PCT/JP2020/038809 WO2021085142A1 (ja) 2019-10-29 2020-10-14 変倍光学系および撮像装置

Publications (3)

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JPWO2021085142A1 JPWO2021085142A1 (https=) 2021-05-06
JPWO2021085142A5 JPWO2021085142A5 (https=) 2022-06-16
JP7109686B2 true JP7109686B2 (ja) 2022-07-29

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ID=75716267

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021554326A Active JP7109686B2 (ja) 2019-10-29 2020-10-14 変倍光学系および撮像装置

Country Status (4)

Country Link
US (1) US12050311B2 (https=)
JP (1) JP7109686B2 (https=)
CN (1) CN114600027B (https=)
WO (1) WO2021085142A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7401265B2 (ja) * 2019-11-07 2023-12-19 キヤノン株式会社 光学系および光学機器
WO2022138054A1 (ja) * 2020-12-21 2022-06-30 富士フイルム株式会社 変倍光学系および撮像装置
CN116413894B (zh) * 2021-12-31 2026-02-24 中国科学院长春光学精密机械与物理研究所 一折反式共口径三档变焦光学系统
WO2023212877A1 (zh) * 2022-05-05 2023-11-09 北京小米移动软件有限公司 光学系统、以及具备光学系统的拍摄装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4971428A (en) 1989-03-27 1990-11-20 Lenzar Optics Corporation Catadioptric zoom lens
US20050259330A1 (en) 2005-07-29 2005-11-24 Panavision International, L.P. Zoom lens system
JP2017187640A (ja) 2016-04-06 2017-10-12 オリンパス株式会社 変倍光学系及びそれを備えた撮像装置
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
US5940222A (en) * 1997-10-27 1999-08-17 Wescam Inc. Catadioptric zoom lens assemblies
JP6227539B2 (ja) * 2012-09-20 2017-11-08 株式会社ｎｉｔｔｏｈ ズームレンズシステムおよび撮像装置
CN107272172A (zh) 2016-04-06 2017-10-20 奥林巴斯株式会社 变倍光学系统和具有该变倍光学系统的摄像装置
JP6678604B2 (ja) * 2017-01-05 2020-04-08 富士フイルム株式会社 ズームレンズおよび撮像装置
CN106772963B (zh) * 2017-01-26 2019-03-29 西安应用光学研究所 全球面大口径折反式连续变焦光学系统
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4971428A (en) 1989-03-27 1990-11-20 Lenzar Optics Corporation Catadioptric zoom lens
US20050259330A1 (en) 2005-07-29 2005-11-24 Panavision International, L.P. Zoom lens system
JP2017187640A (ja) 2016-04-06 2017-10-12 オリンパス株式会社 変倍光学系及びそれを備えた撮像装置
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
US12050311B2 (en) 2024-07-30
WO2021085142A1 (ja) 2021-05-06
JPWO2021085142A1 (https=) 2021-05-06
CN114600027B (zh) 2023-11-14
US20220308326A1 (en) 2022-09-29
CN114600027A (zh) 2022-06-07

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