JP2000275522A - ズームレンズ - Google Patents

ズームレンズ

Info

Publication number
JP2000275522A
JP2000275522A JP11077548A JP7754899A JP2000275522A JP 2000275522 A JP2000275522 A JP 2000275522A JP 11077548 A JP11077548 A JP 11077548A JP 7754899 A JP7754899 A JP 7754899A JP 2000275522 A JP2000275522 A JP 2000275522A
Authority
JP
Japan
Prior art keywords
lens
lens group
object side
negative
zoom
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP11077548A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000275522A5 (enExample
Inventor
Takanori Yamanashi
山梨隆則
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.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP11077548A priority Critical patent/JP2000275522A/ja
Priority to US09/499,608 priority patent/US6327100B1/en
Publication of JP2000275522A publication Critical patent/JP2000275522A/ja
Publication of JP2000275522A5 publication Critical patent/JP2000275522A5/ja
Pending legal-status Critical Current

Links

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
    • G02B15/16—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
    • G02B15/145—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
    • G02B15/1455—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 negative
    • G02B15/145511—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 negative arranged -+-+-

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP11077548A 1999-02-08 1999-03-23 ズームレンズ Pending JP2000275522A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP11077548A JP2000275522A (ja) 1999-03-23 1999-03-23 ズームレンズ
US09/499,608 US6327100B1 (en) 1999-02-08 2000-02-07 Zoom lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11077548A JP2000275522A (ja) 1999-03-23 1999-03-23 ズームレンズ

Publications (2)

Publication Number Publication Date
JP2000275522A true JP2000275522A (ja) 2000-10-06
JP2000275522A5 JP2000275522A5 (enExample) 2005-05-26

Family

ID=13637078

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11077548A Pending JP2000275522A (ja) 1999-02-08 1999-03-23 ズームレンズ

Country Status (1)

Country Link
JP (1) JP2000275522A (enExample)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1857851A4 (en) * 2005-03-11 2008-07-16 Sony Corp ZOOMOBJECTIVE AND PICTURE DEVICE
KR20160113893A (ko) * 2015-03-23 2016-10-04 삼성전자주식회사 단초점 렌즈 및 이를 포함한 촬영 장치
US9703081B2 (en) 2012-05-15 2017-07-11 Ricoh Company, Ltd. Projection zoom lens and projector
JP2018049262A (ja) * 2016-09-14 2018-03-29 パナソニックＩｐマネジメント株式会社 ズームレンズ系、撮像装置、カメラ
JP2020013079A (ja) * 2018-07-20 2020-01-23 エーエーシーアコースティックテクノロジーズ（シンセン）カンパニーリミテッドＡＡＣ Ａｃｏｕｓｔｉｃ Ｔｅｃｈｎｏｌｏｇｉｅｓ（Ｓｈｅｎｚｈｅｎ）Ｃｏ．，Ｌｔｄ 撮像レンズ
JP2020122822A (ja) * 2019-01-29 2020-08-13 株式会社タムロン ズームレンズ及び撮像装置
JP2020122823A (ja) * 2019-01-29 2020-08-13 株式会社タムロン ズームレンズ及び撮像装置
JP2020181071A (ja) * 2019-04-25 2020-11-05 キヤノン株式会社 光学系及びそれを有する撮像装置
CN114460728A (zh) * 2022-01-25 2022-05-10 凯迈（洛阳）测控有限公司 一种微小型的中波制冷红外连续变焦光学系统
US11409087B1 (en) * 2021-03-05 2022-08-09 Changzhou Raytech Optronics Co., Ltd. Zoom lens
US20220283413A1 (en) * 2021-03-05 2022-09-08 Changzhou Raytech Optronics Co., Ltd. Zoom lens
US20220283414A1 (en) * 2021-03-05 2022-09-08 Changzhou Raytech Optronics Co., Ltd. Zoom lens

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7649693B2 (en) 2005-03-11 2010-01-19 Sony Corporation Zoom lens and image pick-up apparatus
EP1857851A4 (en) * 2005-03-11 2008-07-16 Sony Corp ZOOMOBJECTIVE AND PICTURE DEVICE
US9703081B2 (en) 2012-05-15 2017-07-11 Ricoh Company, Ltd. Projection zoom lens and projector
US10488636B2 (en) 2012-05-15 2019-11-26 Ricoh Company, Ltd. Projection zoom lens and projector
KR102378519B1 (ko) * 2015-03-23 2022-03-25 삼성전자주식회사 단초점 렌즈 및 이를 포함한 촬영 장치
KR20160113893A (ko) * 2015-03-23 2016-10-04 삼성전자주식회사 단초점 렌즈 및 이를 포함한 촬영 장치
JP2018049262A (ja) * 2016-09-14 2018-03-29 パナソニックＩｐマネジメント株式会社 ズームレンズ系、撮像装置、カメラ
JP2020013079A (ja) * 2018-07-20 2020-01-23 エーエーシーアコースティックテクノロジーズ（シンセン）カンパニーリミテッドＡＡＣ Ａｃｏｕｓｔｉｃ Ｔｅｃｈｎｏｌｏｇｉｅｓ（Ｓｈｅｎｚｈｅｎ）Ｃｏ．，Ｌｔｄ 撮像レンズ
JP7210303B2 (ja) 2019-01-29 2023-01-23 株式会社タムロン ズームレンズ及び撮像装置
JP2020122822A (ja) * 2019-01-29 2020-08-13 株式会社タムロン ズームレンズ及び撮像装置
JP2020122823A (ja) * 2019-01-29 2020-08-13 株式会社タムロン ズームレンズ及び撮像装置
JP7216557B2 (ja) 2019-01-29 2023-02-01 株式会社タムロン ズームレンズ及び撮像装置
JP7289711B2 (ja) 2019-04-25 2023-06-12 キヤノン株式会社 光学系及びそれを有する撮像装置
JP2020181071A (ja) * 2019-04-25 2020-11-05 キヤノン株式会社 光学系及びそれを有する撮像装置
US11409087B1 (en) * 2021-03-05 2022-08-09 Changzhou Raytech Optronics Co., Ltd. Zoom lens
JP2022135790A (ja) * 2021-03-05 2022-09-15 ジョウシュウシ レイテック オプトロニクス カンパニーリミテッド ズームレンズ
JP2022135792A (ja) * 2021-03-05 2022-09-15 ジョウシュウシ レイテック オプトロニクス カンパニーリミテッド ズームレンズ
JP2022135791A (ja) * 2021-03-05 2022-09-15 ジョウシュウシ レイテック オプトロニクス カンパニーリミテッド ズームレンズ
US20220283414A1 (en) * 2021-03-05 2022-09-08 Changzhou Raytech Optronics Co., Ltd. Zoom lens
US20220283413A1 (en) * 2021-03-05 2022-09-08 Changzhou Raytech Optronics Co., Ltd. Zoom lens
US11668913B2 (en) * 2021-03-05 2023-06-06 Changzhou Raytech Optronics Co., Ltd. Zoom lens
US11914124B2 (en) * 2021-03-05 2024-02-27 Changzhou Raytech Optronics Co., Ltd. Zoom lens
CN114460728A (zh) * 2022-01-25 2022-05-10 凯迈（洛阳）测控有限公司 一种微小型的中波制冷红外连续变焦光学系统
CN114460728B (zh) * 2022-01-25 2023-06-23 凯迈（洛阳）测控有限公司 一种微小型的中波制冷红外连续变焦光学系统

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