JP3962481B2 - ズームレンズ及びそれを用いた光学機器 - Google Patents

ズームレンズ及びそれを用いた光学機器 Download PDF

Info

Publication number
JP3962481B2
JP3962481B2 JP12952498A JP12952498A JP3962481B2 JP 3962481 B2 JP3962481 B2 JP 3962481B2 JP 12952498 A JP12952498 A JP 12952498A JP 12952498 A JP12952498 A JP 12952498A JP 3962481 B2 JP3962481 B2 JP 3962481B2
Authority
JP
Japan
Prior art keywords
group
lens
zoom lens
negative
refractive power
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
JP12952498A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11305124A5 (OSRAM
JPH11305124A (ja
Inventor
昭永 堀内
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 JP12952498A priority Critical patent/JP3962481B2/ja
Priority to US09/263,230 priority patent/US6166864A/en
Publication of JPH11305124A publication Critical patent/JPH11305124A/ja
Priority to US09/698,115 priority patent/US6751028B1/en
Publication of JPH11305124A5 publication Critical patent/JPH11305124A5/ja
Application granted granted Critical
Publication of JP3962481B2 publication Critical patent/JP3962481B2/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 +-++

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP12952498A 1998-03-10 1998-04-23 ズームレンズ及びそれを用いた光学機器 Expired - Fee Related JP3962481B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP12952498A JP3962481B2 (ja) 1998-04-23 1998-04-23 ズームレンズ及びそれを用いた光学機器
US09/263,230 US6166864A (en) 1998-03-10 1999-03-05 Zoom lens and optical apparatus using the same
US09/698,115 US6751028B1 (en) 1998-03-10 2000-10-30 Zoom lens and optical apparatus using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12952498A JP3962481B2 (ja) 1998-04-23 1998-04-23 ズームレンズ及びそれを用いた光学機器

Publications (3)

Publication Number Publication Date
JPH11305124A JPH11305124A (ja) 1999-11-05
JPH11305124A5 JPH11305124A5 (OSRAM) 2005-09-15
JP3962481B2 true JP3962481B2 (ja) 2007-08-22

Family

ID=15011645

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12952498A Expired - Fee Related JP3962481B2 (ja) 1998-03-10 1998-04-23 ズームレンズ及びそれを用いた光学機器

Country Status (1)

Country Link
JP (1) JP3962481B2 (OSRAM)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4593715B2 (ja) * 2000-02-18 2010-12-08 キヤノン株式会社 リアフォーカス式のズームレンズ及びそれを用いた光学機器
US6606202B2 (en) 2000-09-26 2003-08-12 Canon Kabushiki Kaisha Zoom lens system and optical apparatus using the same
JP4720005B2 (ja) * 2001-04-25 2011-07-13 株式会社ニコン ズームレンズ
JP2003255438A (ja) 2002-02-28 2003-09-10 Canon Inc ズームレンズ及びそれを有する光学機器
JP3826061B2 (ja) 2002-03-29 2006-09-27 キヤノン株式会社 ズームレンズ及びそれを有する光学機器
JP4366063B2 (ja) 2002-09-19 2009-11-18 キヤノン株式会社 ズームレンズ及びそれを有するカメラ
US6931207B2 (en) 2002-12-27 2005-08-16 Canon Kabushiki Kaisha Zoom lens system and camera having the same
JP4411010B2 (ja) 2003-05-06 2010-02-10 キヤノン株式会社 ズームレンズ及びそれを用いた撮像機器
US7457046B2 (en) 2003-07-01 2008-11-25 Canon Kabushiki Kaisha Zoom lens system and image-taking apparatus
JP4612790B2 (ja) 2003-08-01 2011-01-12 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
US6987622B2 (en) 2003-11-06 2006-01-17 Canon Kabushiki Kaisha Zoom lens and image taking system
JP4532916B2 (ja) * 2004-01-30 2010-08-25 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
JP4708734B2 (ja) 2004-05-28 2011-06-22 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
JP4585794B2 (ja) 2004-05-31 2010-11-24 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
JP4944375B2 (ja) * 2004-12-22 2012-05-30 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
JP4764051B2 (ja) 2005-04-01 2011-08-31 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
JP4847091B2 (ja) 2005-10-15 2011-12-28 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
JP4857063B2 (ja) 2006-09-29 2012-01-18 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
JP5028104B2 (ja) 2007-02-19 2012-09-19 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
JP5046747B2 (ja) 2007-05-24 2012-10-10 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
JP5460228B2 (ja) 2009-04-02 2014-04-02 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

Also Published As

Publication number Publication date
JPH11305124A (ja) 1999-11-05

Similar Documents

Publication Publication Date Title
JP3962481B2 (ja) ズームレンズ及びそれを用いた光学機器
JP3478637B2 (ja) 小型のズームレンズ
JP3412939B2 (ja) ズームレンズ
JP2001194586A (ja) ズームレンズ及びそれを用いた撮影装置
JPH06175024A (ja) リヤーフォーカス式のズームレンズ
JP3119403B2 (ja) 小型な変倍レンズ
JPH05323194A (ja) リヤーフォーカス式のズームレンズ
JPH08201695A (ja) リヤーフォーカス式のズームレンズ
JP2808905B2 (ja) ズームレンズ
JP2001201683A (ja) ズームレンズ
JP3368099B2 (ja) リヤーフォーカス式のズームレンズ
JP2546293B2 (ja) 小型のズームレンズ
JP3144153B2 (ja) ズームレンズ
JP4072276B2 (ja) ズームレンズ
JP3593400B2 (ja) リアフォーカス式ズームレンズ
JP4672860B2 (ja) ズームレンズ及びそれを用いた光学機器
JP2832092B2 (ja) リヤーフォーカス式のズームレンズ
JP4379957B2 (ja) リアフォーカス式ズームレンズ及びそれを用いた光学機器
JP3063459B2 (ja) リヤーフォーカス式のズームレンズ及びそれを用いたカメラ
JP4447703B2 (ja) ズームレンズ及びそれを用いた光学機器
JP2000284173A (ja) リアフォーカス式のズームレンズ
JP3513265B2 (ja) 小型のズームレンズ
JP3592211B2 (ja) ズームレンズ及びそれを用いた光学機器
JP4360086B2 (ja) ズームレンズ
JP2007271710A (ja) ズームレンズ及びそれを有する撮像装置

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050325

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050325

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20061004

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20061024

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20061222

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20070213

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070402

A911 Transfer of reconsideration by examiner before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20070411

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: 20070515

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20070521

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: 20100525

Year of fee payment: 3

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

Free format text: PAYMENT UNTIL: 20110525

Year of fee payment: 4

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

Free format text: PAYMENT UNTIL: 20120525

Year of fee payment: 5

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

Free format text: PAYMENT UNTIL: 20120525

Year of fee payment: 5

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

Free format text: PAYMENT UNTIL: 20130525

Year of fee payment: 6

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

Free format text: PAYMENT UNTIL: 20140525

Year of fee payment: 7

LAPS Cancellation because of no payment of annual fees