DE69815960D1 - Zoom-Objektiv - Google Patents
Zoom-ObjektivInfo
- Publication number
- DE69815960D1 DE69815960D1 DE69815960T DE69815960T DE69815960D1 DE 69815960 D1 DE69815960 D1 DE 69815960D1 DE 69815960 T DE69815960 T DE 69815960T DE 69815960 T DE69815960 T DE 69815960T DE 69815960 D1 DE69815960 D1 DE 69815960D1
- Authority
- DE
- Germany
- Prior art keywords
- zoom lens
- zoom
- lens
- 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
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
- G02B15/144—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 four groups only
- G02B15/1441—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 four groups only the first group being positive
- G02B15/144109—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 four groups only the first group being positive arranged +--+
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19834397 | 1997-07-24 | ||
JP19834397A JP3507291B2 (ja) | 1997-07-24 | 1997-07-24 | ズームレンズ |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69815960D1 true DE69815960D1 (de) | 2003-08-07 |
DE69815960T2 DE69815960T2 (de) | 2004-05-13 |
Family
ID=16389551
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69815960T Expired - Fee Related DE69815960T2 (de) | 1997-07-24 | 1998-07-22 | Zoom-Objektiv |
Country Status (4)
Country | Link |
---|---|
US (1) | US5995297A (de) |
EP (1) | EP0893724B1 (de) |
JP (1) | JP3507291B2 (de) |
DE (1) | DE69815960T2 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6545818B2 (en) | 1999-05-10 | 2003-04-08 | Canon Kabushiki Kaisha | Zoom lens and camera system |
JP4659196B2 (ja) | 1999-10-14 | 2011-03-30 | キヤノン株式会社 | ズームレンズ及び撮影装置 |
JP4502341B2 (ja) * | 2000-02-16 | 2010-07-14 | フジノン株式会社 | ズームレンズ |
WO2012081250A1 (ja) | 2010-12-16 | 2012-06-21 | 富士フイルム株式会社 | ズームレンズおよび撮像装置 |
JP6436687B2 (ja) | 2014-08-28 | 2018-12-12 | キヤノン株式会社 | ズームレンズ及び撮像装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54127322A (en) * | 1978-03-27 | 1979-10-03 | Canon Inc | Zoom lens |
US5745300A (en) * | 1993-02-17 | 1998-04-28 | Canon Kabushiki Kaisha | Zoom lens of the inner focus type |
JP3102200B2 (ja) * | 1993-03-31 | 2000-10-23 | キヤノン株式会社 | ズームレンズ |
US5583698A (en) * | 1993-06-07 | 1996-12-10 | Matsushita Electric Industrial Co., Ltd. | Aspherical zoom lens |
US5579172A (en) * | 1993-07-19 | 1996-11-26 | Nikon Corporation | Zoom lens system |
JPH0735978A (ja) * | 1993-07-20 | 1995-02-07 | Nikon Corp | ズームレンズ |
JPH08129134A (ja) * | 1994-11-01 | 1996-05-21 | Nikon Corp | ズームレンズ |
JPH08184758A (ja) * | 1995-01-05 | 1996-07-16 | Nikon Corp | ズームレンズ |
JP3376171B2 (ja) * | 1995-06-22 | 2003-02-10 | キヤノン株式会社 | ズームレンズ |
-
1997
- 1997-07-24 JP JP19834397A patent/JP3507291B2/ja not_active Expired - Fee Related
-
1998
- 1998-07-20 US US09/118,904 patent/US5995297A/en not_active Expired - Lifetime
- 1998-07-22 DE DE69815960T patent/DE69815960T2/de not_active Expired - Fee Related
- 1998-07-22 EP EP98305861A patent/EP0893724B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0893724B1 (de) | 2003-07-02 |
US5995297A (en) | 1999-11-30 |
JPH1138321A (ja) | 1999-02-12 |
EP0893724A1 (de) | 1999-01-27 |
DE69815960T2 (de) | 2004-05-13 |
JP3507291B2 (ja) | 2004-03-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |