JP3919301B2 - リヤーフォーカス式のズームレンズ及びそれを用いた撮像装置 - Google Patents

リヤーフォーカス式のズームレンズ及びそれを用いた撮像装置 Download PDF

Info

Publication number
JP3919301B2
JP3919301B2 JP21419797A JP21419797A JP3919301B2 JP 3919301 B2 JP3919301 B2 JP 3919301B2 JP 21419797 A JP21419797 A JP 21419797A JP 21419797 A JP21419797 A JP 21419797A JP 3919301 B2 JP3919301 B2 JP 3919301B2
Authority
JP
Japan
Prior art keywords
group
lens
refractive power
rear focus
angle end
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
JP21419797A
Other languages
English (en)
Japanese (ja)
Other versions
JPH1144847A5 (enrdf_load_stackoverflow
JPH1144847A (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 JP21419797A priority Critical patent/JP3919301B2/ja
Publication of JPH1144847A publication Critical patent/JPH1144847A/ja
Publication of JPH1144847A5 publication Critical patent/JPH1144847A5/ja
Application granted granted Critical
Publication of JP3919301B2 publication Critical patent/JP3919301B2/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)
JP21419797A 1997-07-24 1997-07-24 リヤーフォーカス式のズームレンズ及びそれを用いた撮像装置 Expired - Fee Related JP3919301B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21419797A JP3919301B2 (ja) 1997-07-24 1997-07-24 リヤーフォーカス式のズームレンズ及びそれを用いた撮像装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21419797A JP3919301B2 (ja) 1997-07-24 1997-07-24 リヤーフォーカス式のズームレンズ及びそれを用いた撮像装置

Publications (3)

Publication Number Publication Date
JPH1144847A JPH1144847A (ja) 1999-02-16
JPH1144847A5 JPH1144847A5 (enrdf_load_stackoverflow) 2004-11-25
JP3919301B2 true JP3919301B2 (ja) 2007-05-23

Family

ID=16651845

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21419797A Expired - Fee Related JP3919301B2 (ja) 1997-07-24 1997-07-24 リヤーフォーカス式のズームレンズ及びそれを用いた撮像装置

Country Status (1)

Country Link
JP (1) JP3919301B2 (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007264032A (ja) * 2006-03-27 2007-10-11 Pentax Corp 集光光学系、共焦点光学システムおよび走査型共焦点内視鏡
JP5247212B2 (ja) * 2008-04-02 2013-07-24 パナソニック株式会社 ズームレンズ系、交換レンズ装置、及びカメラシステム
JP2009251115A (ja) * 2008-04-02 2009-10-29 Panasonic Corp ズームレンズ系、交換レンズ装置、及びカメラシステム
JP2009251118A (ja) * 2008-04-02 2009-10-29 Panasonic Corp ズームレンズ系、交換レンズ装置、及びカメラシステム
JP2009251117A (ja) * 2008-04-02 2009-10-29 Panasonic Corp ズームレンズ系、交換レンズ装置、及びカメラシステム

Also Published As

Publication number Publication date
JPH1144847A (ja) 1999-02-16

Similar Documents

Publication Publication Date Title
JP2538526B2 (ja) ズ−ムレンズ
JP3081698B2 (ja) ３群ズームレンズ
JP3584107B2 (ja) ズームレンズ
JP3927670B2 (ja) ズームレンズ
JP2628633B2 (ja) コンパクトなズームレンズ
JP2004061910A (ja) 防振機能を備えたズームレンズ
JP3710261B2 (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撮像装置
JP2006139187A (ja) ズームレンズ
JP4817551B2 (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
JP4205461B2 (ja) ズームレンズ、カメラおよび携帯情報端末装置
JP3184581B2 (ja) ズームレンズ
JP3029148B2 (ja) リヤーフォーカス式ズームレンズ
JP3667054B2 (ja) リヤーフォーカス式のズームレンズ及びそれを有するカメラ
JP3696966B2 (ja) リアフォーカス式のズームレンズ
JP4823680B2 (ja) 高倍率ズームレンズ
JP3919301B2 (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撮像装置
JP3706827B2 (ja) ズームレンズ及びそれを有する光学機器
JP3679502B2 (ja) リヤーフォーカス式のズームレンズ
JP2676367B2 (ja) 小型の可変焦点距離レンズ
JP2007178769A (ja) ズームレンズ
JPH08110470A (ja) 広角ズームレンズ
JP2533779B2 (ja) 変倍レンズ
JP2011022601A (ja) ズームレンズ及びそれを用いた光学機器
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

Legal Events

Date Code Title Description
A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20050808

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20050823

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20051024

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: 20070206

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20070213

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: 20100223

Year of fee payment: 3

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

Free format text: PAYMENT UNTIL: 20110223

Year of fee payment: 4

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

Free format text: PAYMENT UNTIL: 20120223

Year of fee payment: 5

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

Free format text: PAYMENT UNTIL: 20130223

Year of fee payment: 6

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

Free format text: PAYMENT UNTIL: 20140223

Year of fee payment: 7

LAPS Cancellation because of no payment of annual fees