JP2001350091A - ズームレンズ - Google Patents

ズームレンズ

Info

Publication number
JP2001350091A
JP2001350091A JP2000174230A JP2000174230A JP2001350091A JP 2001350091 A JP2001350091 A JP 2001350091A JP 2000174230 A JP2000174230 A JP 2000174230A JP 2000174230 A JP2000174230 A JP 2000174230A JP 2001350091 A JP2001350091 A JP 2001350091A
Authority
JP
Japan
Prior art keywords
lens
group
refractive power
object side
positive
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
JP2000174230A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001350091A5 (enExample
Inventor
Yuji Miyauchi
裕司 宮内
Tetsuei Takeyama
哲英 武山
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 JP2000174230A priority Critical patent/JP2001350091A/ja
Priority to US09/870,985 priority patent/US6510008B1/en
Publication of JP2001350091A publication Critical patent/JP2001350091A/ja
Publication of JP2001350091A5 publication Critical patent/JP2001350091A5/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
    • G02B15/144—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 +-++

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP2000174230A 2000-06-06 2000-06-06 ズームレンズ Pending JP2001350091A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000174230A JP2001350091A (ja) 2000-06-06 2000-06-06 ズームレンズ
US09/870,985 US6510008B1 (en) 2000-06-06 2001-06-01 Zoom lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000174230A JP2001350091A (ja) 2000-06-06 2000-06-06 ズームレンズ

Publications (2)

Publication Number Publication Date
JP2001350091A true JP2001350091A (ja) 2001-12-21
JP2001350091A5 JP2001350091A5 (enExample) 2005-11-04

Family

ID=18676308

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000174230A Pending JP2001350091A (ja) 2000-06-06 2000-06-06 ズームレンズ

Country Status (2)

Country Link
US (1) US6510008B1 (enExample)
JP (1) JP2001350091A (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1317602C (zh) * 2002-01-17 2007-05-23 佳能株式会社 取景器及使用了该取景器的照相机
JP2007140158A (ja) * 2005-11-18 2007-06-07 Eastman Kodak Co ズームレンズ及びカメラ
JP2009086535A (ja) * 2007-10-02 2009-04-23 Nikon Corp ズームレンズと、これを有する光学装置
JP2013231759A (ja) * 2012-04-27 2013-11-14 Olympus Imaging Corp ズームレンズ及びそれを用いた撮像装置
JP2014056116A (ja) * 2012-09-12 2014-03-27 Ricoh Co Ltd ズームレンズ及びカメラ及び携帯情報端末装置
CN111929860A (zh) * 2020-08-03 2020-11-13 凤凰光学股份有限公司 一种大靶面高清鱼眼镜头

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7123421B1 (en) 2005-04-22 2006-10-17 Panavision International, L.P. Compact high performance zoom lens system
KR101792344B1 (ko) * 2015-10-19 2017-11-01 삼성전기주식회사 촬상 광학계
CN212111958U (zh) * 2020-03-20 2020-12-08 华为技术有限公司 变焦镜头、摄像模组及终端设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5189558A (en) 1990-06-11 1993-02-23 Olympus Optical Co., Ltd. Vari-focal system having short total length
JPH0882743A (ja) 1994-09-12 1996-03-26 Canon Inc リヤーフォーカス式のズームレンズ
JP3473161B2 (ja) 1995-03-30 2003-12-02 ソニー株式会社 ズームレンズ
JPH08320434A (ja) 1995-05-25 1996-12-03 Konica Corp ズームレンズ
US6185048B1 (en) 1997-10-14 2001-02-06 Olympus Optical Co., Ltd. Zoom lens system
JP2000081572A (ja) * 1998-09-04 2000-03-21 Fuji Photo Optical Co Ltd ズームレンズ

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1317602C (zh) * 2002-01-17 2007-05-23 佳能株式会社 取景器及使用了该取景器的照相机
JP2007140158A (ja) * 2005-11-18 2007-06-07 Eastman Kodak Co ズームレンズ及びカメラ
JP2009086535A (ja) * 2007-10-02 2009-04-23 Nikon Corp ズームレンズと、これを有する光学装置
JP2013231759A (ja) * 2012-04-27 2013-11-14 Olympus Imaging Corp ズームレンズ及びそれを用いた撮像装置
JP2014056116A (ja) * 2012-09-12 2014-03-27 Ricoh Co Ltd ズームレンズ及びカメラ及び携帯情報端末装置
CN111929860A (zh) * 2020-08-03 2020-11-13 凤凰光学股份有限公司 一种大靶面高清鱼眼镜头

Also Published As

Publication number Publication date
US6510008B1 (en) 2003-01-21

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