JPH1152237A5 - - Google Patents
Info
- Publication number
- JPH1152237A5 JPH1152237A5 JP1997221058A JP22105897A JPH1152237A5 JP H1152237 A5 JPH1152237 A5 JP H1152237A5 JP 1997221058 A JP1997221058 A JP 1997221058A JP 22105897 A JP22105897 A JP 22105897A JP H1152237 A5 JPH1152237 A5 JP H1152237A5
- Authority
- JP
- Japan
- Prior art keywords
- lens group
- optical surface
- diffractive optical
- focal length
- 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.)
- Granted
Links
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22105897A JP3832935B2 (ja) | 1997-08-01 | 1997-08-01 | ズームレンズ |
| US09/123,442 US6081389A (en) | 1997-07-31 | 1998-07-28 | Zoom lens of retrofocus type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22105897A JP3832935B2 (ja) | 1997-08-01 | 1997-08-01 | ズームレンズ |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPH1152237A JPH1152237A (ja) | 1999-02-26 |
| JPH1152237A5 true JPH1152237A5 (enExample) | 2005-04-21 |
| JP3832935B2 JP3832935B2 (ja) | 2006-10-11 |
Family
ID=16760842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22105897A Expired - Fee Related JP3832935B2 (ja) | 1997-07-31 | 1997-08-01 | ズームレンズ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3832935B2 (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6560019B2 (en) | 1998-02-05 | 2003-05-06 | Canon Kabushiki Kaisha | Diffractive optical element and optical system having the same |
| US6545819B1 (en) | 1999-08-31 | 2003-04-08 | Canon Kabushiki Kaisha | Zoom lens and optical apparatus having the same |
| JP3376351B2 (ja) * | 1999-11-29 | 2003-02-10 | キヤノン株式会社 | 光学系及び原稿読取装置 |
| US6473232B2 (en) | 2000-03-08 | 2002-10-29 | Canon Kabushiki Kaisha | Optical system having a diffractive optical element, and optical apparatus |
| JP3467018B2 (ja) * | 2000-03-08 | 2003-11-17 | キヤノン株式会社 | 光学系及び光学機器 |
| JP3605034B2 (ja) * | 2000-12-22 | 2004-12-22 | キヤノン株式会社 | ズームレンズ及びそれを用いた光学機器 |
| JP2004037700A (ja) | 2002-07-02 | 2004-02-05 | Canon Inc | ズームレンズ及びそれを有する光学機器 |
| JP4329059B2 (ja) | 2002-12-25 | 2009-09-09 | 株式会社ニコン | ズームレンズ |
| JP2004252099A (ja) * | 2003-02-19 | 2004-09-09 | Nikon Corp | 防振機能を備えたズームレンズ |
| JP2005107034A (ja) * | 2003-09-29 | 2005-04-21 | Nikon Corp | ズームレンズ |
| JP4444625B2 (ja) | 2003-10-31 | 2010-03-31 | 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 |
| JP2008039853A (ja) * | 2006-08-01 | 2008-02-21 | Ricoh Co Ltd | ズームレンズ・撮像装置および携帯情報端末装置 |
| CN104040405B (zh) * | 2012-02-29 | 2017-05-03 | 株式会社尼康 | 变焦光学系统 |
| JP6071578B2 (ja) * | 2013-01-22 | 2017-02-01 | 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 |
| US10845516B2 (en) | 2017-02-20 | 2020-11-24 | Canon Kabushiki Kaisha | Diffractive optical element |
| JP7106279B2 (ja) * | 2017-02-20 | 2022-07-26 | キヤノン株式会社 | 回折光学素子及び光学機器 |
-
1997
- 1997-08-01 JP JP22105897A patent/JP3832935B2/ja not_active Expired - Fee Related