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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JP2002116380A5 (enrdf_load_html_response
JP2002116380A (ja
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
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Kyocera Corp
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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
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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_html_response) 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)

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JP (1) JP4678929B2 (enrdf_load_html_response)

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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