CN100406952C - 变焦光学系统及光学设备 - Google Patents
变焦光学系统及光学设备 Download PDFInfo
- Publication number
- CN100406952C CN100406952C CN2005100673712A CN200510067371A CN100406952C CN 100406952 C CN100406952 C CN 100406952C CN 2005100673712 A CN2005100673712 A CN 2005100673712A CN 200510067371 A CN200510067371 A CN 200510067371A CN 100406952 C CN100406952 C CN 100406952C
- Authority
- CN
- China
- Prior art keywords
- lens
- glass
- plastic
- lens combination
- object side
- 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 - Fee Related
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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
- G02B15/143—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
- G02B15/143507—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 -++
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
Description
透镜 | 焦距 | 能力 |
101 | -15.54 | -0.0643 |
102 | -16.16 | -0.0618 |
103 | 21.28 | 0.0469 |
201 | 7.05 | 0.141 |
202 | -12.6 | -0.0788 |
203 | -19.76 | -0.0506 |
204 | 20.43 | 0.0489 |
301 | 21.0 | 0.0476 |
k | A2 | A4 | A6 | A8 | A10 | |
4面 | -0.9558 | 0.0000E+00 | 3.3545E-04 | 2.1361E-06 | -1.4477E-08 | 0.0000E+00 |
11面 | -1.5246 | 0.0000E+00 | 1.4480E-03 | 1.6332E-05 | 4.0123E-06 | 0.0000E+00 |
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004118026A JP2005300981A (ja) | 2004-04-13 | 2004-04-13 | 変倍光学系および光学機器 |
JP2004118026 | 2004-04-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1683947A CN1683947A (zh) | 2005-10-19 |
CN100406952C true CN100406952C (zh) | 2008-07-30 |
Family
ID=35263355
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005100673712A Expired - Fee Related CN100406952C (zh) | 2004-04-13 | 2005-04-13 | 变焦光学系统及光学设备 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP2005300981A (zh) |
CN (1) | CN100406952C (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100745510B1 (ko) * | 2005-12-15 | 2007-08-02 | 삼성테크윈 주식회사 | 소형 줌렌즈 |
JP5101959B2 (ja) * | 2007-09-13 | 2012-12-19 | 富士フイルム株式会社 | 投写型ズームレンズおよび投写型表示装置 |
JP5387139B2 (ja) * | 2009-05-25 | 2014-01-15 | 株式会社リコー | 結像レンズおよびカメラ装置および携帯情報端末装置 |
KR101660840B1 (ko) * | 2009-09-11 | 2016-09-28 | 삼성전자주식회사 | 소형 줌 광학계 |
CN114967084B (zh) * | 2022-06-23 | 2023-08-22 | 佛山市趣影科技有限公司 | 一种投影变焦镜头及投影机 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0921950A (ja) * | 1995-07-05 | 1997-01-21 | Konica Corp | ズームレンズ |
JPH0961712A (ja) * | 1995-08-24 | 1997-03-07 | Ricoh Co Ltd | 読取り用光学系 |
JPH0968649A (ja) * | 1995-09-01 | 1997-03-11 | Ricoh Co Ltd | 読取り用光学系 |
CN1261681A (zh) * | 1998-12-22 | 2000-08-02 | 美能达株式会社 | 变焦透镜系统 |
-
2004
- 2004-04-13 JP JP2004118026A patent/JP2005300981A/ja active Pending
-
2005
- 2005-04-13 CN CN2005100673712A patent/CN100406952C/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0921950A (ja) * | 1995-07-05 | 1997-01-21 | Konica Corp | ズームレンズ |
JPH0961712A (ja) * | 1995-08-24 | 1997-03-07 | Ricoh Co Ltd | 読取り用光学系 |
JPH0968649A (ja) * | 1995-09-01 | 1997-03-11 | Ricoh Co Ltd | 読取り用光学系 |
CN1261681A (zh) * | 1998-12-22 | 2000-08-02 | 美能达株式会社 | 变焦透镜系统 |
Also Published As
Publication number | Publication date |
---|---|
CN1683947A (zh) | 2005-10-19 |
JP2005300981A (ja) | 2005-10-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: JIEXIDI OPTICAL CO., LTD. Free format text: FORMER OWNER: RIZHONGLONG OPTIC CO., LTD. Effective date: 20100517 |
|
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: KANAGAWA PREFECTURE, JAPAN TO: ROOM 1902, NANFENG CENTER, NO.264-298, CASTLE PEAK ROAD, TSUEN WAN, NEW TERRITORIES, HONG KONG, CHINA |
|
TR01 | Transfer of patent right |
Effective date of registration: 20100517 Address after: China new territories of Hongkong Quan Wan Castle Peak Road No. 264-298 South Center Room 1902 Patentee after: Jiexidi Optics Co., Ltd. Address before: Kanagawa Patentee before: Rizhonglong Optic Co., Ltd. |
|
ASS | Succession or assignment of patent right |
Owner name: JIEXIDI?(GUANGZHOU) OPTICAL?TECHNOLOGY?CO.,?LTD. Free format text: FORMER OWNER: JIEXIDI OPTICS CO., LTD. Effective date: 20150331 |
|
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: HONG KONG, CHINA TO: 510663 GUANGZHOU, GUANGDONG PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20150331 Address after: Two No. 202 tellen Electronics Science Xue Cheng Guang Bao Lu, Guangzhou hi tech Development Zone of Guangdong province 510663 Patentee after: Sidi (Guangzhou) Optical Technology Co., Ltd. Address before: China new territories of Hongkong Quan Wan Castle Peak Road No. 264-298 South Center Room 1902 Patentee before: Jiexidi Optics Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080730 Termination date: 20180413 |
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CF01 | Termination of patent right due to non-payment of annual fee |