ATE534930T1 - Retrofokus zoomobjektiv mit zwei linsengruppen - Google Patents
Retrofokus zoomobjektiv mit zwei linsengruppenInfo
- Publication number
- ATE534930T1 ATE534930T1 AT09007484T AT09007484T ATE534930T1 AT E534930 T1 ATE534930 T1 AT E534930T1 AT 09007484 T AT09007484 T AT 09007484T AT 09007484 T AT09007484 T AT 09007484T AT E534930 T1 ATE534930 T1 AT E534930T1
- Authority
- AT
- Austria
- Prior art keywords
- lens
- lens group
- positive
- retrofocus
- object side
- 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
- G02B15/16—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
- G02B15/177—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a negative front lens or group of 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 -+-
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008170863A JP4672755B2 (ja) | 2008-06-30 | 2008-06-30 | 変倍光学系および撮像装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE534930T1 true ATE534930T1 (de) | 2011-12-15 |
Family
ID=40835300
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT09007484T ATE534930T1 (de) | 2008-06-30 | 2009-06-05 | Retrofokus zoomobjektiv mit zwei linsengruppen |
Country Status (5)
Country | Link |
---|---|
US (1) | US7933075B2 (de) |
EP (1) | EP2141529B1 (de) |
JP (1) | JP4672755B2 (de) |
CN (1) | CN101620313B (de) |
AT (1) | ATE534930T1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW201120409A (en) * | 2009-12-10 | 2011-06-16 | Ind Tech Res Inst | Surveillance camera system and method |
US8724232B2 (en) | 2010-10-29 | 2014-05-13 | Samsung Techwin Co., Ltd. | Zoom lens and photographing apparatus including the same |
JP5718020B2 (ja) * | 2010-10-29 | 2015-05-13 | 三星テクウィン株式会社Samsung Techwin Co., Ltd | ズームレンズ及び撮像装置 |
JP5724639B2 (ja) * | 2011-05-30 | 2015-05-27 | リコーイメージング株式会社 | ズームレンズ系及びこれを用いた光学機器 |
JP6602027B2 (ja) * | 2015-03-13 | 2019-11-06 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
KR102600453B1 (ko) * | 2016-02-19 | 2023-11-10 | 삼성전자주식회사 | 옵티칼 렌즈 어셈블리 및 이를 포함한 전자 장치 |
CN108761735B (zh) * | 2018-07-13 | 2024-03-29 | 嘉兴中润光学科技股份有限公司 | 超大光圈广角镜头 |
JP2020052349A (ja) * | 2018-09-28 | 2020-04-02 | 富士フイルム株式会社 | 撮像レンズ及び撮像装置 |
CN111650735B (zh) * | 2020-08-10 | 2020-12-01 | 嘉兴中润光学科技有限公司 | 一种大广角摄像装置和变焦镜头 |
CN115185072B (zh) * | 2022-06-01 | 2024-03-12 | 广东北创光电科技股份有限公司 | 一种非球面广角长法兰视频镜头 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2558138B2 (ja) * | 1988-02-08 | 1996-11-27 | オリンパス光学工業株式会社 | 変倍レンズ |
JP3087303B2 (ja) | 1990-10-29 | 2000-09-11 | ミノルタ株式会社 | コンパクトなズームレンズ |
JP2001343583A (ja) * | 2000-05-31 | 2001-12-14 | Matsushita Electric Ind Co Ltd | ズームレンズ及びそれを用いたビデオカメラ |
GB2374744B (en) | 2001-04-18 | 2003-04-16 | Voxar Ltd | Correction of boundary artefacts in image data processing |
JP3572037B2 (ja) * | 2001-08-24 | 2004-09-29 | キヤノン株式会社 | レンズ系及びそれを有する光学機器 |
WO2003071332A1 (fr) * | 2002-02-25 | 2003-08-28 | Matsushita Electric Industrial Co., Ltd. | Lentille a foyer reglable, camera video et camera fixe numerique utilisant la lentille a foyer reglable |
JP4280538B2 (ja) * | 2003-04-18 | 2009-06-17 | フジノン株式会社 | ズームレンズ |
JP4516291B2 (ja) * | 2003-08-20 | 2010-08-04 | オリンパス株式会社 | ズームレンズ及びそれを用いたカメラ。 |
US6943958B2 (en) * | 2003-08-20 | 2005-09-13 | Olympus Corporation | Zoom lens system and camera using the same |
JP4642408B2 (ja) * | 2003-08-20 | 2011-03-02 | オリンパス株式会社 | ズームレンズ及びそれを用いたカメラ |
JP4597623B2 (ja) * | 2003-10-08 | 2010-12-15 | 富士フイルム株式会社 | ズームレンズ |
JP4596418B2 (ja) * | 2004-09-27 | 2010-12-08 | 富士フイルム株式会社 | 変倍光学系 |
JP2006119574A (ja) * | 2004-09-27 | 2006-05-11 | Fujinon Corp | 変倍光学系 |
JP4945989B2 (ja) | 2005-09-29 | 2012-06-06 | 株式会社ニコン | ズームレンズ |
JP4905779B2 (ja) * | 2006-09-07 | 2012-03-28 | 富士フイルム株式会社 | ズームレンズ |
-
2008
- 2008-06-30 JP JP2008170863A patent/JP4672755B2/ja not_active Expired - Fee Related
-
2009
- 2009-06-05 AT AT09007484T patent/ATE534930T1/de active
- 2009-06-05 EP EP09007484A patent/EP2141529B1/de not_active Not-in-force
- 2009-06-12 US US12/483,381 patent/US7933075B2/en not_active Expired - Fee Related
- 2009-06-15 CN CN2009101496183A patent/CN101620313B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP2141529A1 (de) | 2010-01-06 |
JP2010008917A (ja) | 2010-01-14 |
EP2141529B1 (de) | 2011-11-23 |
US7933075B2 (en) | 2011-04-26 |
CN101620313B (zh) | 2011-02-16 |
CN101620313A (zh) | 2010-01-06 |
JP4672755B2 (ja) | 2011-04-20 |
US20090323199A1 (en) | 2009-12-31 |
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