JP3832935B2 - ズームレンズ - Google Patents

ズームレンズ Download PDF

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Publication number
JP3832935B2
JP3832935B2 JP22105897A JP22105897A JP3832935B2 JP 3832935 B2 JP3832935 B2 JP 3832935B2 JP 22105897 A JP22105897 A JP 22105897A JP 22105897 A JP22105897 A JP 22105897A JP 3832935 B2 JP3832935 B2 JP 3832935B2
Authority
JP
Japan
Prior art keywords
lens
lens group
diffractive optical
chromatic aberration
lens unit
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
Application number
JP22105897A
Other languages
English (en)
Japanese (ja)
Other versions
JPH1152237A5 (enExample
JPH1152237A (ja
Inventor
史仁 和智
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP22105897A priority Critical patent/JP3832935B2/ja
Priority to US09/123,442 priority patent/US6081389A/en
Publication of JPH1152237A publication Critical patent/JPH1152237A/ja
Publication of JPH1152237A5 publication Critical patent/JPH1152237A5/ja
Application granted granted Critical
Publication of JP3832935B2 publication Critical patent/JP3832935B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Lenses (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
JP22105897A 1997-07-31 1997-08-01 ズームレンズ Expired - Fee Related JP3832935B2 (ja)

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 JPH1152237A5 (enExample) 2005-04-21
JP3832935B2 true 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
JPH1152237A (ja) 1999-02-26

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