JPS57111507A - Zoom lens - Google Patents

Zoom lens

Info

Publication number
JPS57111507A
JPS57111507A JP13973380A JP13973380A JPS57111507A JP S57111507 A JPS57111507 A JP S57111507A JP 13973380 A JP13973380 A JP 13973380A JP 13973380 A JP13973380 A JP 13973380A JP S57111507 A JPS57111507 A JP S57111507A
Authority
JP
Japan
Prior art keywords
zoom lens
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.)
Pending
Application number
JP13973380A
Other languages
Japanese (ja)
Inventor
Mosukoobitsuchi Jieikobu
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.)
Optigon Research and Development Corp
Original Assignee
Optigon Research and Development 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.)
Filing date
Publication date
Application filed by Optigon Research and Development Corp filed Critical Optigon Research and Development Corp
Publication of JPS57111507A publication Critical patent/JPS57111507A/en
Pending legal-status Critical Current

Links

JP13973380A 1979-10-05 1980-10-06 Zoom lens Pending JPS57111507A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8201079A 1979-10-05 1979-10-05

Publications (1)

Publication Number Publication Date
JPS57111507A true JPS57111507A (en) 1982-07-12

Family

ID=22168135

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13973380A Pending JPS57111507A (en) 1979-10-05 1980-10-06 Zoom lens

Country Status (1)

Country Link
JP (1) JPS57111507A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60225110A (en) * 1984-04-23 1985-11-09 Sigma:Kk Telephoto zoom lens
US4815829A (en) * 1985-05-31 1989-03-28 Olympus Optical Co., Ltd. Telephoto zoom lens system
US5530592A (en) * 1993-04-30 1996-06-25 Canon Kabushiki Kaisha Zoom lens of rear focus type
US5739961A (en) * 1992-04-30 1998-04-14 Canon Kabushiki Kaisha Zoom lens

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60225110A (en) * 1984-04-23 1985-11-09 Sigma:Kk Telephoto zoom lens
JPH0431092B2 (en) * 1984-04-23 1992-05-25
US4815829A (en) * 1985-05-31 1989-03-28 Olympus Optical Co., Ltd. Telephoto zoom lens system
US5739961A (en) * 1992-04-30 1998-04-14 Canon Kabushiki Kaisha Zoom lens
US5754346A (en) * 1992-11-13 1998-05-19 Canon Kabushiki Kaisha Zoom lens
US5784205A (en) * 1992-11-13 1998-07-21 Canon Kabushiki Kaisha Zoom lens
US5530592A (en) * 1993-04-30 1996-06-25 Canon Kabushiki Kaisha Zoom lens of rear focus type

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