DE69107600D1 - Zoom Objektiv. - Google Patents

Zoom Objektiv.

Info

Publication number: DE69107600D1
Authority: DE; Germany
Prior art keywords: zoom lens; zoom; lens
Prior art date: 1990-12-28
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

DE69107600T

Other languages

English (en)

Other versions

DE69107600T2 (de

Inventor

Akira Nakamura

Yuichi Nakano

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.)

Sony Corp

Original Assignee

Sony Corp

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.)

1990-12-28

Filing date

1991-12-26

Publication date

1995-03-30

1991-12-26 Application filed by Sony Corp filed Critical Sony Corp

1995-03-30 Application granted granted Critical

1995-03-30 Publication of DE69107600D1 publication Critical patent/DE69107600D1/de

1995-08-03 Publication of DE69107600T2 publication Critical patent/DE69107600T2/de

2011-12-27 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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
- G02B15/22—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 movable lens means specially adapted for focusing at close distances

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Lenses (AREA)

DE69107600T 1990-12-28 1991-12-26 Zoom Objektiv. Expired - Fee Related DE69107600T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP2417122A JP3003226B2 (ja)	1990-12-28	1990-12-28	ズームレンズ

Publications (2)

Publication Number	Publication Date
DE69107600D1 true DE69107600D1 (de)	1995-03-30
DE69107600T2 DE69107600T2 (de)	1995-08-03

Family

ID=18525256

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69107600T Expired - Fee Related DE69107600T2 (de)	1990-12-28	1991-12-26	Zoom Objektiv.

Country Status (5)

Country	Link
US (1)	US5233471A (de)
EP (1)	EP0493261B1 (de)
JP (1)	JP3003226B2 (de)
KR (1)	KR100195316B1 (de)
DE (1)	DE69107600T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0529646B1 (de) *	1991-08-30	1997-04-23	Canon Kabushiki Kaisha	Zoomobjektiv
JPH05341187A (ja) *	1992-04-10	1993-12-24	Ricoh Co Ltd	実像式変倍ファインダーおよび倍率遷移可能な実像式変倍ファインダー
US5583698A (en) *	1993-06-07	1996-12-10	Matsushita Electric Industrial Co., Ltd.	Aspherical zoom lens
KR0133445B1 (ko) *	1993-09-17	1998-04-23	구자홍	광학 뷰 파인더를 일체화한 리어 포커스방식 줌렌즈
US6886207B1 (en)	1999-06-14	2005-05-03	The Procter & Gamble Company	Toothbrush
JP3570253B2 (ja) *	1998-10-28	2004-09-29	ソニー株式会社	ズームレンズ
JP4626135B2 (ja) *	2002-10-04	2011-02-02	株式会社ニコン	大口径比内焦式望遠ズームレンズ
JP4819413B2 (ja) *	2005-06-24	2011-11-24	オリンパス株式会社	ズームレンズ及びそれを用いた撮像装置
JP5087945B2 (ja) *	2007-02-16	2012-12-05	株式会社ニコン	ズームレンズと、これを有する光学装置
KR101971475B1 (ko) *	2013-01-03	2019-04-23	한화테크윈 주식회사	줌 렌즈계

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5782812A (en) *	1980-11-12	1982-05-24	Canon Inc	Zoom lens
JP2538526B2 (ja) *	1986-03-17	1996-09-25	キヤノン株式会社	ズ−ムレンズ
US4802717A (en) *	1986-04-21	1989-02-07	Hughes Aircraft Company	Infrared afocal zoom telescope
US4802747A (en) *	1986-09-25	1989-02-07	Canon Kabushiki Kaisha	Compact zoom lens
JP2737838B2 (ja) *	1986-11-13	1998-04-08	オリンパス光学工業株式会社	変倍レンズ系
JPH01185608A (ja) *	1988-01-20	1989-07-25	Olympus Optical Co Ltd	変倍レンズ

1990
- 1990-12-28 JP JP2417122A patent/JP3003226B2/ja not_active Expired - Fee Related
1991
- 1991-11-21 KR KR1019910020766A patent/KR100195316B1/ko not_active IP Right Cessation
- 1991-12-06 US US07/803,439 patent/US5233471A/en not_active Expired - Lifetime
- 1991-12-26 DE DE69107600T patent/DE69107600T2/de not_active Expired - Fee Related
- 1991-12-26 EP EP91403548A patent/EP0493261B1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0493261A2 (de)	1992-07-01
DE69107600T2 (de)	1995-08-03
EP0493261A3 (en)	1992-11-04
JP3003226B2 (ja)	2000-01-24
US5233471A (en)	1993-08-03
JPH04242708A (ja)	1992-08-31
EP0493261B1 (de)	1995-02-22
KR920012957A (ko)	1992-07-28
KR100195316B1 (ko)	1999-06-15

Publication	Publication Date	Title
DE69219248D1 (de)	1997-05-28	Zoomobjektiv
DE69112570D1 (de)	1995-10-05	Kontaktlinse.
DE69115098D1 (de)	1996-01-18	Videokamera.
DE69107337D1 (de)	1995-03-23	Optischer Abtaster.
FR2682777B1 (fr)	1994-09-23	Objectif zoom.
DE69113715D1 (de)	1995-11-16	Optisches Projektionssystem.
DE69116273D1 (de)	1996-02-22	Linsentubus
DE69306645D1 (de)	1997-01-30	Zoomlinsenanordnung
DE69226934D1 (de)	1998-10-15	Zoomobjektiv
DE69125873D1 (de)	1997-06-05	Kamera
DE69223106D1 (de)	1997-12-18	Zoomobjektiv
FR2658313B1 (fr)	1993-11-12	Barillet d'objectif zoom.
FR2681701B1 (fr)	1994-09-30	Objectif zoom.
DE69022493D1 (de)	1995-10-26	Zoomobjektiv.
DE69109023D1 (de)	1995-05-24	Objektiv mit variabler Vergrösserung.
DE69113127D1 (de)	1995-10-26	Brillenlinse.
DE59102083D1 (de)	1994-08-04	Optische abtastvorrichtung.
DE69206368D1 (de)	1996-01-11	Zoomobjektiv.
DE69103081D1 (de)	1994-09-01	Zoomlinse.
FR2682489B1 (fr)	1994-09-30	Objectif zoom.
FI914579A0 (fi)	1991-09-27	Optisk stroemtransformator.
DE69107600D1 (de)	1995-03-30	Zoom Objektiv.
NO912708L (no)	1992-01-17	Bredbaands akromatisk linse.
FI912087A0 (fi)	1991-04-30	Optisk foerstaerkare.
DE69110323D1 (de)	1995-07-20	Mikroskopobjektiv.

Legal Events

Date	Code	Title	Description
1996-03-28	8364	No opposition during term of opposition
2010-10-21	8339	Ceased/non-payment of the annual fee