KR100648772B1 - 변배 촬상 렌즈 및 변배 촬상 장치 - Google Patents

변배 촬상 렌즈 및 변배 촬상 장치 Download PDF

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Publication number
KR100648772B1
KR100648772B1 KR1020040068165A KR20040068165A KR100648772B1 KR 100648772 B1 KR100648772 B1 KR 100648772B1 KR 1020040068165 A KR1020040068165 A KR 1020040068165A KR 20040068165 A KR20040068165 A KR 20040068165A KR 100648772 B1 KR100648772 B1 KR 100648772B1
Authority
KR
South Korea
Prior art keywords
lens
lens group
imaging
optical system
refractive power
Prior art date
Application number
KR1020040068165A
Other languages
English (en)
Korean (ko)
Other versions
KR20050021952A (ko
Inventor
미나가와히로유키
우에무라고헤이
스기타도모야
Original Assignee
교세라 가부시키가이샤
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
Priority claimed from JP2003307510A external-priority patent/JP3757223B2/ja
Priority claimed from JP2003307682A external-priority patent/JP3766080B2/ja
Application filed by 교세라 가부시키가이샤 filed Critical 교세라 가부시키가이샤
Publication of KR20050021952A publication Critical patent/KR20050021952A/ko
Application granted granted Critical
Publication of KR100648772B1 publication Critical patent/KR100648772B1/ko

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Classifications

    • 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
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses
    • 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
    • G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
    • G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
    • G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
    • 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
    • G02B15/143—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 three groups only
    • G02B15/1435—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 three groups only the first group being negative
    • G02B15/143503—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 three groups only the first group being negative arranged -+-
    • 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
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/60—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having five components only
    • 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)
KR1020040068165A 2003-08-29 2004-08-27 변배 촬상 렌즈 및 변배 촬상 장치 KR100648772B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JPJP-P-2003-00307510 2003-08-29
JP2003307510A JP3757223B2 (ja) 2003-08-29 2003-08-29 変倍撮像レンズ
JPJP-P-2003-00307682 2003-08-29
JP2003307682A JP3766080B2 (ja) 2003-08-29 2003-08-29 ズームレンズユニット

Publications (2)

Publication Number Publication Date
KR20050021952A KR20050021952A (ko) 2005-03-07
KR100648772B1 true KR100648772B1 (ko) 2006-11-23

Family

ID=34621850

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020040068165A KR100648772B1 (ko) 2003-08-29 2004-08-27 변배 촬상 렌즈 및 변배 촬상 장치

Country Status (2)

Country Link
KR (1) KR100648772B1 (zh)
CN (1) CN1299144C (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101955130B (zh) * 2010-09-08 2012-03-07 西安理工大学 具有自动跟踪变倍功能的塔机视频监控***及监控方法
TWI461731B (zh) * 2012-05-18 2014-11-21 Largan Precision Co Ltd 影像鏡頭系統組
CN112230404B (zh) * 2020-10-28 2022-10-11 Oppo广东移动通信有限公司 光学变焦镜头、摄像模组及移动终端

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62200315A (ja) 1986-02-28 1987-09-04 Asahi Optical Co Ltd 複写用変倍レンズ
JPS63180928A (ja) 1987-01-22 1988-07-26 Asahi Optical Co Ltd 複写用変倍レンズ
JPH0493812A (ja) * 1990-08-03 1992-03-26 Canon Inc 変倍レンズ
JPH04328708A (ja) * 1991-04-30 1992-11-17 Minolta Camera Co Ltd 複写用変倍光学系

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5270864A (en) * 1991-04-30 1993-12-14 Minolta Camera Kabushiki Kaisha Zoom lens system for use in copying apparatus
US6185049B1 (en) * 1998-04-13 2001-02-06 Minolta Co., Ltd. Zoom lens system
JP4239248B2 (ja) * 1998-08-18 2009-03-18 株式会社ニコン 撮像レンズ
TW484019B (en) * 1998-12-11 2002-04-21 Minolta Co Ltd A taking lens system
JP2002333582A (ja) * 2001-05-07 2002-11-22 Kyocera Corp 実像式ズームファインダ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62200315A (ja) 1986-02-28 1987-09-04 Asahi Optical Co Ltd 複写用変倍レンズ
JPS63180928A (ja) 1987-01-22 1988-07-26 Asahi Optical Co Ltd 複写用変倍レンズ
JPH0493812A (ja) * 1990-08-03 1992-03-26 Canon Inc 変倍レンズ
JPH04328708A (ja) * 1991-04-30 1992-11-17 Minolta Camera Co Ltd 複写用変倍光学系

Also Published As

Publication number Publication date
CN1591071A (zh) 2005-03-09
KR20050021952A (ko) 2005-03-07
CN1299144C (zh) 2007-02-07

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A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee