TW355218B - A two-lens set varifocus lens system with high zoom power - Google Patents

A two-lens set varifocus lens system with high zoom power

Info

Publication number
TW355218B
TW355218B TW087101962A TW87101962A TW355218B TW 355218 B TW355218 B TW 355218B TW 087101962 A TW087101962 A TW 087101962A TW 87101962 A TW87101962 A TW 87101962A TW 355218 B TW355218 B TW 355218B
Authority
TW
Taiwan
Prior art keywords
lens
convex
varifocus
negative
refraction
Prior art date
Application number
TW087101962A
Other languages
English (en)
Inventor
Yong-Gyu Yoon
Original Assignee
Samsung Aerospace Ind 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 Samsung Aerospace Ind Ltd filed Critical Samsung Aerospace Ind Ltd
Application granted granted Critical
Publication of TW355218B publication Critical patent/TW355218B/zh

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
    • G02B15/142—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 two groups only
    • 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
    • G02B15/142—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 two groups only
    • G02B15/1421—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 two groups only the first group being positive

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
TW087101962A 1997-02-14 1998-02-12 A two-lens set varifocus lens system with high zoom power TW355218B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019970004498A KR19980068066A (ko) 1997-02-14 1997-02-14 줌렌즈

Publications (1)

Publication Number Publication Date
TW355218B true TW355218B (en) 1999-04-01

Family

ID=19497054

Family Applications (1)

Application Number Title Priority Date Filing Date
TW087101962A TW355218B (en) 1997-02-14 1998-02-12 A two-lens set varifocus lens system with high zoom power

Country Status (7)

Country Link
US (1) US5986821A (zh)
JP (1) JPH10311947A (zh)
KR (1) KR19980068066A (zh)
CN (1) CN1190745A (zh)
ID (1) ID20559A (zh)
MY (1) MY120446A (zh)
TW (1) TW355218B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI381983B (zh) * 2009-04-29 2013-01-11 Huang Jung Chou 運送貨架固定結構

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11281890A (ja) * 1998-03-27 1999-10-15 Konica Corp ２群ズームレンズ
JP3435343B2 (ja) * 1998-04-17 2003-08-11 ペンタックス株式会社 ズームレンズ系
US6279497B1 (en) * 1998-10-29 2001-08-28 Tuftco Corporation Method of manufacturing textured carpet patterns and improved tufting machine configuration
JP2001201683A (ja) * 2000-01-19 2001-07-27 Olympus Optical Co Ltd ズームレンズ
JP2002072090A (ja) 2000-08-31 2002-03-12 Olympus Optical Co Ltd 広角ズームレンズ
JP2003114385A (ja) * 2001-10-05 2003-04-18 Pentax Corp ズームレンズ系
US7583289B2 (en) * 2003-01-02 2009-09-01 Ge Security, Inc. Optical block assembly
US7113351B2 (en) * 2003-01-02 2006-09-26 Covi Technologies, Inc. Systems and methods for actuating lens assemblies
JP4764644B2 (ja) * 2005-02-23 2011-09-07 株式会社リコー ズームレンズおよび情報装置
KR100702960B1 (ko) * 2005-09-02 2007-04-03 삼성테크윈 주식회사 줌렌즈 광학계
WO2013031109A1 (ja) * 2011-08-29 2013-03-07 富士フイルム株式会社 ズームレンズおよび撮像装置
TWI507723B (zh) * 2014-08-01 2015-11-11 Largan Precision Co Ltd 攝像光學透鏡組、取像裝置及電子裝置
KR101983187B1 (ko) * 2016-12-20 2019-05-28 삼성전기주식회사 촬상 광학계
DE102016125402B4 (de) 2016-12-22 2018-12-20 Carl Zeiss Ag Kompaktes Kameraobjektiv höchster Abbildungsgüte für eine Kamera mit Vollformatsensor, Verwendung eines solchen Kameraobjektivs und Foto- oder Filmkamera mit einem solchen Kameraobjektiv
CN112130280B (zh) * 2020-09-25 2022-12-02 Oppo广东移动通信有限公司 镜头组、相机模组及电子装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2506704C3 (de) * 1975-02-18 1982-11-04 Mannesmann AG, 4000 Düsseldorf Metallschmelzanlage mit einem Behandlungsstand für die Einstellung der Analyse von Metallschmelzen, insbesondere für die Entschwefelung flüssigen Roheisens oder flüssigen Rohstahls
JPH03260610A (ja) * 1990-03-12 1991-11-20 Canon Inc 小型なズームレンズ
JP2738137B2 (ja) * 1990-08-03 1998-04-08 キヤノン株式会社 小型のズームレンズ
JP3264702B2 (ja) * 1992-03-10 2002-03-11 株式会社リコー ズームレンズ
DE4225829A1 (de) * 1992-08-05 1994-02-10 Hoechst Ag Vorbehandlungseinrichtung für bildmäßig zu belichtende Druckformen
JPH06186478A (ja) * 1992-12-17 1994-07-08 Ricoh Co Ltd 超広角を有するズームレンズ
JP3352213B2 (ja) * 1994-02-21 2002-12-03 キヤノン株式会社 ズームレンズ
KR100256207B1 (ko) * 1994-08-19 2000-05-15 유무성 줌렌즈
JP3402833B2 (ja) * 1995-03-02 2003-05-06 キヤノン株式会社 ズームレンズ
KR100256204B1 (ko) * 1995-12-14 2000-05-15 유무성 소형 줌렌즈

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI381983B (zh) * 2009-04-29 2013-01-11 Huang Jung Chou 運送貨架固定結構

Also Published As

Publication number Publication date
CN1190745A (zh) 1998-08-19
US5986821A (en) 1999-11-16
KR19980068066A (ko) 1998-10-15
ID20559A (id) 1999-01-14
MY120446A (en) 2005-10-31
JPH10311947A (ja) 1998-11-24

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