JP7211926B2 - ズームレンズおよび撮像装置 - Google Patents

ズームレンズおよび撮像装置 Download PDF

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Publication number
JP7211926B2
JP7211926B2 JP2019205021A JP2019205021A JP7211926B2 JP 7211926 B2 JP7211926 B2 JP 7211926B2 JP 2019205021 A JP2019205021 A JP 2019205021A JP 2019205021 A JP2019205021 A JP 2019205021A JP 7211926 B2 JP7211926 B2 JP 7211926B2
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JP
Japan
Prior art keywords
lens
lens group
lenses
conditional expression
average
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JP2019205021A
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English (en)
Japanese (ja)
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JP2021076780A (ja
Inventor
敏浩 青井
太郎 浅見
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.)
Fujifilm Corp
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Fujifilm Corp
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Application filed by Fujifilm Corp filed Critical Fujifilm Corp
Priority to JP2019205021A priority Critical patent/JP7211926B2/ja
Priority to CN202011249770.1A priority patent/CN112859310B/zh
Publication of JP2021076780A publication Critical patent/JP2021076780A/ja
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Publication of JP7211926B2 publication Critical patent/JP7211926B2/ja
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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
    • G02B15/16—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
    • G02B15/173—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 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
    • G02B15/144—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 four groups only
    • G02B15/1441—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 four groups only the first group being positive
    • G02B15/144113—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 four groups only the first group being positive arranged +-++

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP2019205021A 2019-11-12 2019-11-12 ズームレンズおよび撮像装置 Active JP7211926B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2019205021A JP7211926B2 (ja) 2019-11-12 2019-11-12 ズームレンズおよび撮像装置
CN202011249770.1A CN112859310B (zh) 2019-11-12 2020-11-10 变焦镜头及摄像装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019205021A JP7211926B2 (ja) 2019-11-12 2019-11-12 ズームレンズおよび撮像装置

Publications (2)

Publication Number Publication Date
JP2021076780A JP2021076780A (ja) 2021-05-20
JP7211926B2 true JP7211926B2 (ja) 2023-01-24

Family

ID=75899034

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019205021A Active JP7211926B2 (ja) 2019-11-12 2019-11-12 ズームレンズおよび撮像装置

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JP (1) JP7211926B2 (zh)
CN (1) CN112859310B (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115373121A (zh) * 2022-09-01 2022-11-22 舜宇光学(中山)有限公司 变焦镜头

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090303596A1 (en) 2008-06-05 2009-12-10 Samsung Digital Imaging Co., Ltd. Telephoto zoom lens
JP2011145565A (ja) 2010-01-16 2011-07-28 Canon Inc ズームレンズ及びそれを有する撮像装置
JP2012032469A (ja) 2010-07-29 2012-02-16 Fujifilm Corp ズームレンズおよび撮像装置
JP2017173650A (ja) 2016-03-25 2017-09-28 富士フイルム株式会社 ズームレンズおよび撮像装置
JP2018128520A (ja) 2017-02-07 2018-08-16 富士フイルム株式会社 ズームレンズおよび撮像装置
JP2018138948A (ja) 2017-02-24 2018-09-06 富士フイルム株式会社 ズームレンズおよび撮像装置
JP2018146855A (ja) 2017-03-07 2018-09-20 富士フイルム株式会社 ズームレンズおよび撮像装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102003779B1 (ko) * 2013-12-11 2019-07-25 한화테크윈 주식회사 줌 렌즈계
US11221470B2 (en) * 2018-02-27 2022-01-11 Fujifilm Corporation Variable magnification optical system and imaging apparatus

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090303596A1 (en) 2008-06-05 2009-12-10 Samsung Digital Imaging Co., Ltd. Telephoto zoom lens
JP2011145565A (ja) 2010-01-16 2011-07-28 Canon Inc ズームレンズ及びそれを有する撮像装置
JP2012032469A (ja) 2010-07-29 2012-02-16 Fujifilm Corp ズームレンズおよび撮像装置
JP2017173650A (ja) 2016-03-25 2017-09-28 富士フイルム株式会社 ズームレンズおよび撮像装置
JP2018128520A (ja) 2017-02-07 2018-08-16 富士フイルム株式会社 ズームレンズおよび撮像装置
JP2018138948A (ja) 2017-02-24 2018-09-06 富士フイルム株式会社 ズームレンズおよび撮像装置
JP2018146855A (ja) 2017-03-07 2018-09-20 富士フイルム株式会社 ズームレンズおよび撮像装置

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Publication number Publication date
JP2021076780A (ja) 2021-05-20
CN112859310A (zh) 2021-05-28
CN112859310B (zh) 2024-05-28

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