JP4401451B2 - ズームレンズ及びそれを有した光学機器 - Google Patents

ズームレンズ及びそれを有した光学機器 Download PDF

Info

Publication number
JP4401451B2
JP4401451B2 JP20859498A JP20859498A JP4401451B2 JP 4401451 B2 JP4401451 B2 JP 4401451B2 JP 20859498 A JP20859498 A JP 20859498A JP 20859498 A JP20859498 A JP 20859498A JP 4401451 B2 JP4401451 B2 JP 4401451B2
Authority
JP
Japan
Prior art keywords
group
lens
negative
zoom lens
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.)
Expired - Fee Related
Application number
JP20859498A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000028923A (ja
JP2000028923A5 (enExample
Inventor
誠 三坂
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP20859498A priority Critical patent/JP4401451B2/ja
Priority to US09/348,497 priority patent/US6236516B1/en
Publication of JP2000028923A publication Critical patent/JP2000028923A/ja
Publication of JP2000028923A5 publication Critical patent/JP2000028923A5/ja
Application granted granted Critical
Publication of JP4401451B2 publication Critical patent/JP4401451B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related 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 +-++
    • 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
    • G02B15/145121—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 +-+-+

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP20859498A 1998-07-08 1998-07-08 ズームレンズ及びそれを有した光学機器 Expired - Fee Related JP4401451B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP20859498A JP4401451B2 (ja) 1998-07-08 1998-07-08 ズームレンズ及びそれを有した光学機器
US09/348,497 US6236516B1 (en) 1998-07-08 1999-07-07 Zoom lens and optical apparatus having the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20859498A JP4401451B2 (ja) 1998-07-08 1998-07-08 ズームレンズ及びそれを有した光学機器

Publications (3)

Publication Number Publication Date
JP2000028923A JP2000028923A (ja) 2000-01-28
JP2000028923A5 JP2000028923A5 (enExample) 2005-10-20
JP4401451B2 true JP4401451B2 (ja) 2010-01-20

Family

ID=16558796

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20859498A Expired - Fee Related JP4401451B2 (ja) 1998-07-08 1998-07-08 ズームレンズ及びそれを有した光学機器

Country Status (2)

Country Link
US (1) US6236516B1 (enExample)
JP (1) JP4401451B2 (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2500760A2 (en) 2011-03-15 2012-09-19 Ricoh Company, Limited Zoom lens, camera device, and data terminal device
EP2538259A2 (en) 2011-05-30 2012-12-26 Ricoh Company, Ltd. Zoom lens, imaging device and information device
EP2600182A1 (en) 2011-11-30 2013-06-05 Ricoh Company, Ltd. Zoom lens and information device
US8638503B2 (en) 2011-08-05 2014-01-28 Ricoh Company, Ltd. Zoom lens and information device incorporating the same
US8848296B2 (en) 2012-02-29 2014-09-30 Ricoh Company, Ltd. Zoom lens, imaging device, and portable digital device

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4392901B2 (ja) 1999-05-26 2010-01-06 キヤノン株式会社 ズームレンズ
JP3990126B2 (ja) * 2000-11-08 2007-10-10 オリンパス株式会社 顕微鏡ズーム対物レンズ
JP4876509B2 (ja) * 2005-09-28 2012-02-15 株式会社ニコン ズームレンズ
JP5498259B2 (ja) 2010-05-24 2014-05-21 株式会社タムロン 高変倍率ズームレンズ
JP5498260B2 (ja) 2010-05-24 2014-05-21 株式会社タムロン ズームレンズユニット
JP5492658B2 (ja) 2010-05-24 2014-05-14 株式会社タムロン 高変倍率ズームレンズ
JP5831808B2 (ja) * 2011-11-30 2015-12-09 株式会社リコー ズームレンズおよび撮像装置
JP5871636B2 (ja) * 2012-01-26 2016-03-01 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
JP5891895B2 (ja) 2012-03-28 2016-03-23 リコーイメージング株式会社 ズームレンズ系及びこれを備えた電子撮像装置
JP5973252B2 (ja) 2012-06-22 2016-08-23 株式会社タムロン ズームレンズ及びそれを備えた撮像装置
JP5906998B2 (ja) * 2012-08-24 2016-04-20 ソニー株式会社 可変焦点距離レンズ系および撮像装置
US9313384B2 (en) * 2012-12-07 2016-04-12 Samsung Electronics Co., Ltd. Zoom lens having vibration prevention function
WO2015146175A1 (ja) 2014-03-27 2015-10-01 株式会社ニコン ズームレンズ、撮像装置及びズームレンズの製造方法
JP6337565B2 (ja) * 2014-03-27 2018-06-06 株式会社ニコン 変倍光学系及び撮像装置
KR102335740B1 (ko) * 2015-03-05 2021-12-06 삼성전자주식회사 줌 렌즈 및 이를 포함한 촬영 장치

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2819727B2 (ja) 1990-02-01 1998-11-05 キヤノン株式会社 インナーフォーカス式のズームレンズ
US5144488A (en) 1990-02-01 1992-09-01 Canon Kabushiki Kaisha Zoom lens
US5528427A (en) 1991-10-30 1996-06-18 Canon Kabushiki Kaisha Zoom lens
JP3236037B2 (ja) 1991-10-30 2001-12-04 キヤノン株式会社 高変倍ズームレンズ
US5581404A (en) 1992-01-10 1996-12-03 Canon Kabushiki Kaisha Image stabilizing apparatus
US5815320A (en) 1993-01-14 1998-09-29 Canon Kabushiki Kaisha Zoom lens
JPH06230285A (ja) 1993-02-02 1994-08-19 Canon Inc ズームレンズ
US5831772A (en) 1993-04-07 1998-11-03 Canon Kabushiki Kaisha Compact zoom lens
US5691851A (en) 1993-07-14 1997-11-25 Canon Kabushiki Kaisha Zoom lens
JP3369689B2 (ja) * 1993-12-09 2003-01-20 オリンパス光学工業株式会社 ズームレンズ
JP3584107B2 (ja) 1996-01-06 2004-11-04 キヤノン株式会社 ズームレンズ

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2500760A2 (en) 2011-03-15 2012-09-19 Ricoh Company, Limited Zoom lens, camera device, and data terminal device
US8649108B2 (en) 2011-03-15 2014-02-11 Ricoh Company, Ltd. Zoom lens, camera device, and data terminal device
EP2538259A2 (en) 2011-05-30 2012-12-26 Ricoh Company, Ltd. Zoom lens, imaging device and information device
US8705180B2 (en) 2011-05-30 2014-04-22 Ricoh Company, Ltd. Zoom lens, imaging device and information device
US9013802B2 (en) 2011-05-30 2015-04-21 Ricoh Company, Ltd. Zoom lens, imaging device and information device
US8638503B2 (en) 2011-08-05 2014-01-28 Ricoh Company, Ltd. Zoom lens and information device incorporating the same
EP2600182A1 (en) 2011-11-30 2013-06-05 Ricoh Company, Ltd. Zoom lens and information device
US8982474B2 (en) 2011-11-30 2015-03-17 Ricoh Company, Ltd. Zoom lens and information device
US8848296B2 (en) 2012-02-29 2014-09-30 Ricoh Company, Ltd. Zoom lens, imaging device, and portable digital device

Also Published As

Publication number Publication date
JP2000028923A (ja) 2000-01-28
US6236516B1 (en) 2001-05-22

Similar Documents

Publication Publication Date Title
JP3584107B2 (ja) ズームレンズ
JP3397686B2 (ja) ズームレンズ及びそれを有する光学機器
JP4401451B2 (ja) ズームレンズ及びそれを有した光学機器
JP3478637B2 (ja) 小型のズームレンズ
JP2628633B2 (ja) コンパクトなズームレンズ
JPH05173071A (ja) 広角ズームレンズ
JPH1184243A (ja) ズームレンズ
JP2744348B2 (ja) 高変倍ズームレンズ
JPH11258506A (ja) ズームレンズ
JP4550970B2 (ja) フローティングを利用した撮影レンズ
JPH07287168A (ja) 高変倍率ズームレンズ
JP3147492B2 (ja) ズームレンズ
JP3352264B2 (ja) レトロフォーカス型レンズ及びそれを有するカメラ
JPH08327896A (ja) レンズ系
JP2715385B2 (ja) コンパクトなズームレンズ
JPH08220439A (ja) ズームレンズ
JP3144153B2 (ja) ズームレンズ
JP3084810B2 (ja) 望遠レンズ
JP3219574B2 (ja) 変倍レンズ
JPH05273466A (ja) リヤーフォーカス式のズームレンズ
JP2002062477A (ja) 広角ズームレンズ
JP3352263B2 (ja) ズームレンズ
JPS59129818A (ja) ズ−ムレンズのフオ−カス方法
JPH09152552A (ja) ズームレンズ
JP2932603B2 (ja) ズームレンズ

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050701

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050701

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080805

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20081003

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090728

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090909

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20091013

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20091028

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20121106

Year of fee payment: 3

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20081003

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20131106

Year of fee payment: 4

LAPS Cancellation because of no payment of annual fees