JP4678929B2 - レトロフォーカスレンズ - Google Patents

レトロフォーカスレンズ Download PDF

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Publication number
JP4678929B2
JP4678929B2 JP2000309013A JP2000309013A JP4678929B2 JP 4678929 B2 JP4678929 B2 JP 4678929B2 JP 2000309013 A JP2000309013 A JP 2000309013A JP 2000309013 A JP2000309013 A JP 2000309013A JP 4678929 B2 JP4678929 B2 JP 4678929B2
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JP
Japan
Prior art keywords
lens
group
lenses
negative
positive
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
JP2000309013A
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English (en)
Japanese (ja)
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JP2002116380A (ja
JP2002116380A5 (enrdf_load_stackoverflow
Inventor
克典 江原
博幸 皆川
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.)
Kyocera Corp
Original Assignee
Kyocera Corp
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.)
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Publication date
Application filed by Kyocera Corp filed Critical Kyocera Corp
Priority to JP2000309013A priority Critical patent/JP4678929B2/ja
Publication of JP2002116380A publication Critical patent/JP2002116380A/ja
Publication of JP2002116380A5 publication Critical patent/JP2002116380A5/ja
Application granted granted Critical
Publication of JP4678929B2 publication Critical patent/JP4678929B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2000309013A 2000-10-10 2000-10-10 レトロフォーカスレンズ Expired - Fee Related JP4678929B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000309013A JP4678929B2 (ja) 2000-10-10 2000-10-10 レトロフォーカスレンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000309013A JP4678929B2 (ja) 2000-10-10 2000-10-10 レトロフォーカスレンズ

Publications (3)

Publication Number Publication Date
JP2002116380A JP2002116380A (ja) 2002-04-19
JP2002116380A5 JP2002116380A5 (enrdf_load_stackoverflow) 2007-03-29
JP4678929B2 true JP4678929B2 (ja) 2011-04-27

Family

ID=18789243

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000309013A Expired - Fee Related JP4678929B2 (ja) 2000-10-10 2000-10-10 レトロフォーカスレンズ

Country Status (1)

Country Link
JP (1) JP4678929B2 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100433016B1 (ko) * 2001-09-04 2004-05-31 김병일 스크린 투사용 프로젝터의 투사렌즈
CN107817593B (zh) * 2017-12-01 2024-05-10 上海理鑫光学科技有限公司 一种超短焦投影镜头

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2729851B2 (ja) * 1990-08-04 1998-03-18 富士写真光機株式会社 レトロフォーカス型広角レンズ
JP4007468B2 (ja) * 1998-07-23 2007-11-14 フジノン株式会社 バックフォーカスの長い広角レンズ
JP4339430B2 (ja) * 1998-10-22 2009-10-07 オリンパス株式会社 バックフォーカスの長い広角レンズ

Also Published As

Publication number Publication date
JP2002116380A (ja) 2002-04-19

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