DE60025292D1 - Zoom-Objektiv und damit versehene Videokamera - Google Patents

Zoom-Objektiv und damit versehene Videokamera

Info

Publication number
DE60025292D1
DE60025292D1 DE60025292T DE60025292T DE60025292D1 DE 60025292 D1 DE60025292 D1 DE 60025292D1 DE 60025292 T DE60025292 T DE 60025292T DE 60025292 T DE60025292 T DE 60025292T DE 60025292 D1 DE60025292 D1 DE 60025292D1
Authority
DE
Germany
Prior art keywords
video camera
zoom lens
camera provided
zoom
lens
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 - Lifetime
Application number
DE60025292T
Other languages
English (en)
Inventor
Hiroaki Okayama
Shusuke Ono
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE60025292D1 publication Critical patent/DE60025292D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/009—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras having zoom function
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/0062—Stacked lens arrays, i.e. refractive surfaces arranged in at least two planes, without structurally separate optical elements in-between
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0087—Simple or compound lenses with index gradient
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/04—Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere, e.g. so called "aspheric" lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B2003/0093—Simple or compound lenses characterised by the shape

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
DE60025292T 1999-04-05 2000-04-04 Zoom-Objektiv und damit versehene Videokamera Expired - Lifetime DE60025292D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP09742699A JP3527130B2 (ja) 1999-04-05 1999-04-05 ズームレンズ及びそれを用いたビデオカメラ

Publications (1)

Publication Number Publication Date
DE60025292D1 true DE60025292D1 (de) 2006-03-30

Family

ID=14192102

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60025292T Expired - Lifetime DE60025292D1 (de) 1999-04-05 2000-04-04 Zoom-Objektiv und damit versehene Videokamera

Country Status (5)

Country Link
US (1) US6542312B1 (de)
EP (1) EP1046940B1 (de)
JP (1) JP3527130B2 (de)
KR (1) KR100340018B1 (de)
DE (1) DE60025292D1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7336419B2 (en) * 1998-06-01 2008-02-26 Matsushita Electric Industrial Co., Ltd. Zoom lens, still image camera comprising the zoom lens, and video camera comprising the zoom lens
US20050270646A1 (en) * 1998-06-01 2005-12-08 Matsushita Electric Industrial Co., Ltd. Zoom lens and video camera comprising the same
JP2003140044A (ja) * 2001-10-30 2003-05-14 Matsushita Electric Ind Co Ltd ズームレンズ、並びにそれを用いたビデオカメラ及びディジタルスチルカメラ
JP2005134548A (ja) * 2003-10-29 2005-05-26 Sony Corp ズームレンズ
JP4587029B2 (ja) * 2003-10-29 2010-11-24 ソニー株式会社 ズームレンズ
CN100383591C (zh) * 2005-06-20 2008-04-23 亚洲光学股份有限公司 变焦镜头
TWI276831B (en) * 2006-01-25 2007-03-21 Young Optics Inc Zoom lens
JP5668409B2 (ja) * 2009-11-02 2015-02-12 株式会社ニコン ズームレンズおよび光学機器
JP2010286855A (ja) * 2010-08-20 2010-12-24 Sony Corp ズームレンズ
JP5872791B2 (ja) * 2011-05-02 2016-03-01 オリンパス株式会社 ズームレンズ及びそれを備えた撮像装置
JP5948108B2 (ja) * 2012-03-30 2016-07-06 オリンパス株式会社 ズームレンズ及びそれを備えた撮像装置
US10495847B2 (en) 2017-09-20 2019-12-03 Young Optics Inc. Zoom lens

Family Cites Families (7)

* 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
JP3147167B2 (ja) 1990-06-11 2001-03-19 オリンパス光学工業株式会社 ズームレンズ
US5257135A (en) 1990-10-02 1993-10-26 Minolta Camera Kabushiki Kaisha Compact zoom lens system
JP3392881B2 (ja) 1991-11-13 2003-03-31 オリンパス光学工業株式会社 ズームレンズ
US5719708A (en) * 1994-12-12 1998-02-17 Olympus Optical Co., Ltd. Zoom lens system
JP3311584B2 (ja) * 1996-04-10 2002-08-05 松下電器産業株式会社 ズームレンズ
JP4235288B2 (ja) * 1998-09-09 2009-03-11 キヤノン株式会社 リヤーフォーカス式のズームレンズ

Also Published As

Publication number Publication date
JP3527130B2 (ja) 2004-05-17
KR20000071548A (ko) 2000-11-25
JP2000292699A (ja) 2000-10-20
KR100340018B1 (ko) 2002-06-10
EP1046940B1 (de) 2006-01-04
EP1046940A3 (de) 2002-03-27
US6542312B1 (en) 2003-04-01
EP1046940A2 (de) 2000-10-25

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Legal Events

Date Code Title Description
8332 No legal effect for de