JPS575022A - Conversion lens system for telephoto - Google Patents

Conversion lens system for telephoto

Info

Publication number
JPS575022A
JPS575022A JP7924380A JP7924380A JPS575022A JP S575022 A JPS575022 A JP S575022A JP 7924380 A JP7924380 A JP 7924380A JP 7924380 A JP7924380 A JP 7924380A JP S575022 A JPS575022 A JP S575022A
Authority
JP
Japan
Prior art keywords
lens
negative
lenses
lens system
curvature
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
JP7924380A
Other languages
English (en)
Inventor
Hisayuki Masumoto
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.)
Minolta Co Ltd
Original Assignee
Minolta Co Ltd
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 Minolta Co Ltd filed Critical Minolta Co Ltd
Priority to JP7924380A priority Critical patent/JPS575022A/ja
Publication of JPS575022A publication Critical patent/JPS575022A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective
    • G02B15/10—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
    • G02B15/12—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment by adding telescopic attachments
JP7924380A 1980-06-11 1980-06-11 Conversion lens system for telephoto Pending JPS575022A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7924380A JPS575022A (en) 1980-06-11 1980-06-11 Conversion lens system for telephoto

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7924380A JPS575022A (en) 1980-06-11 1980-06-11 Conversion lens system for telephoto

Publications (1)

Publication Number Publication Date
JPS575022A true JPS575022A (en) 1982-01-11

Family

ID=13684410

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7924380A Pending JPS575022A (en) 1980-06-11 1980-06-11 Conversion lens system for telephoto

Country Status (1)

Country Link
JP (1) JPS575022A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010015049A (ja) * 2008-07-04 2010-01-21 Nikon Corp コンバータレンズと、これを有する光学装置、マスタレンズの焦点距離拡大方法
JP2015225204A (ja) * 2014-05-28 2015-12-14 富士フイルム株式会社 リアアタッチメントレンズ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010015049A (ja) * 2008-07-04 2010-01-21 Nikon Corp コンバータレンズと、これを有する光学装置、マスタレンズの焦点距離拡大方法
JP2015225204A (ja) * 2014-05-28 2015-12-14 富士フイルム株式会社 リアアタッチメントレンズ

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