TW355218B - A two-lens set varifocus lens system with high zoom power - Google Patents
A two-lens set varifocus lens system with high zoom powerInfo
- 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
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)
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)
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)
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 |
US7113351B2 (en) * | 2003-01-02 | 2006-09-26 | Covi Technologies, Inc. | Systems and methods for actuating lens assemblies |
AU2003302166A1 (en) * | 2003-01-02 | 2004-07-29 | Covi Technologies, Inc. | Optical block assembly |
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 |
JP5766810B2 (ja) * | 2011-08-29 | 2015-08-19 | 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)
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 |
-
1997
- 1997-02-14 KR KR1019970004498A patent/KR19980068066A/ko not_active Application Discontinuation
-
1998
- 1998-02-12 TW TW087101962A patent/TW355218B/zh active
- 1998-02-13 MY MYPI98000617A patent/MY120446A/en unknown
- 1998-02-13 US US09/023,770 patent/US5986821A/en not_active Expired - Lifetime
- 1998-02-14 CN CN98104123A patent/CN1190745A/zh active Pending
- 1998-02-16 JP JP10033290A patent/JPH10311947A/ja active Pending
- 1998-02-16 ID IDP980208A patent/ID20559A/id unknown
Cited By (1)
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 |
---|---|
MY120446A (en) | 2005-10-31 |
KR19980068066A (ko) | 1998-10-15 |
CN1190745A (zh) | 1998-08-19 |
ID20559A (id) | 1999-01-14 |
JPH10311947A (ja) | 1998-11-24 |
US5986821A (en) | 1999-11-16 |
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