JPH1152238A5 - - Google Patents

Info

Publication number
JPH1152238A5
JPH1152238A5 JP1997221059A JP22105997A JPH1152238A5 JP H1152238 A5 JPH1152238 A5 JP H1152238A5 JP 1997221059 A JP1997221059 A JP 1997221059A JP 22105997 A JP22105997 A JP 22105997A JP H1152238 A5 JPH1152238 A5 JP H1152238A5
Authority
JP
Japan
Prior art keywords
lens group
lens
focal length
diffractive optical
optical surface
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
Application number
JP1997221059A
Other languages
English (en)
Japanese (ja)
Other versions
JP3792847B2 (ja
JPH1152238A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP22105997A priority Critical patent/JP3792847B2/ja
Priority claimed from JP22105997A external-priority patent/JP3792847B2/ja
Publication of JPH1152238A publication Critical patent/JPH1152238A/ja
Priority to US09/421,367 priority patent/US6606200B1/en
Publication of JPH1152238A5 publication Critical patent/JPH1152238A5/ja
Application granted granted Critical
Publication of JP3792847B2 publication Critical patent/JP3792847B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

JP22105997A 1996-09-19 1997-08-01 ズームレンズ Expired - Fee Related JP3792847B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP22105997A JP3792847B2 (ja) 1997-08-01 1997-08-01 ズームレンズ
US09/421,367 US6606200B1 (en) 1996-09-19 1999-10-19 Zoom lens device and optical apparatus provided with the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22105997A JP3792847B2 (ja) 1997-08-01 1997-08-01 ズームレンズ

Publications (3)

Publication Number Publication Date
JPH1152238A JPH1152238A (ja) 1999-02-26
JPH1152238A5 true JPH1152238A5 (enrdf_load_stackoverflow) 2005-04-21
JP3792847B2 JP3792847B2 (ja) 2006-07-05

Family

ID=16760857

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22105997A Expired - Fee Related JP3792847B2 (ja) 1996-09-19 1997-08-01 ズームレンズ

Country Status (1)

Country Link
JP (1) JP3792847B2 (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6473232B2 (en) 2000-03-08 2002-10-29 Canon Kabushiki Kaisha Optical system having a diffractive optical element, and optical apparatus
US6763186B2 (en) 2002-01-25 2004-07-13 Canon Kabushiki Kaisha Zoom lens, and camera incorporating such zoom lens
JP4764051B2 (ja) 2005-04-01 2011-08-31 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
JP5393278B2 (ja) * 2009-06-16 2014-01-22 オリンパスイメージング株式会社 ズームレンズ及びそれを備えた撮像装置
WO2011077972A1 (ja) 2009-12-24 2011-06-30 オリンパスメディカルシステムズ株式会社 内視鏡用対物レンズ及びそれを用いた内視鏡
JP6387630B2 (ja) * 2014-03-12 2018-09-12 株式会社ニコン 光学系および光学機器
TWI763160B (zh) * 2020-12-02 2022-05-01 大立光電股份有限公司 影像鏡頭組、變焦取像裝置及電子裝置

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