JPH0431088B2 - - Google Patents

Info

Publication number
JPH0431088B2
JPH0431088B2 JP58249095A JP24909583A JPH0431088B2 JP H0431088 B2 JPH0431088 B2 JP H0431088B2 JP 58249095 A JP58249095 A JP 58249095A JP 24909583 A JP24909583 A JP 24909583A JP H0431088 B2 JPH0431088 B2 JP H0431088B2
Authority
JP
Japan
Prior art keywords
lens
group
objective lens
rear conversion
focal length
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
Application number
JP58249095A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60136712A (ja
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 filed Critical
Priority to JP58249095A priority Critical patent/JPS60136712A/ja
Priority to US06/685,300 priority patent/US4653871A/en
Publication of JPS60136712A publication Critical patent/JPS60136712A/ja
Publication of JPH0431088B2 publication Critical patent/JPH0431088B2/ja
Granted 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
    • G02B15/04—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
    • G02B15/08—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part by changing the rear part

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP58249095A 1983-12-26 1983-12-26 リアコンバ−ジヨンレンズ Granted JPS60136712A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP58249095A JPS60136712A (ja) 1983-12-26 1983-12-26 リアコンバ−ジヨンレンズ
US06/685,300 US4653871A (en) 1983-12-26 1984-12-24 Rear conversion lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58249095A JPS60136712A (ja) 1983-12-26 1983-12-26 リアコンバ−ジヨンレンズ

Publications (2)

Publication Number Publication Date
JPS60136712A JPS60136712A (ja) 1985-07-20
JPH0431088B2 true JPH0431088B2 (en]) 1992-05-25

Family

ID=17187899

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58249095A Granted JPS60136712A (ja) 1983-12-26 1983-12-26 リアコンバ−ジヨンレンズ

Country Status (2)

Country Link
US (1) US4653871A (en])
JP (1) JPS60136712A (en])

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0713705B2 (ja) * 1985-04-09 1995-02-15 株式会社ニコン リアコンバ−ジヨンレンズ
JP3819048B2 (ja) * 1995-03-15 2006-09-06 株式会社ニコン 投影光学系及びそれを備えた露光装置並びに露光方法
JP2011123334A (ja) * 2009-12-11 2011-06-23 Canon Inc リアアタッチメントレンズ及びそれを有する撮影光学系
JP6168761B2 (ja) * 2012-12-07 2017-07-26 キヤノン株式会社 テレコンバージョンレンズ及びこれを用いた撮像装置
JP6337687B2 (ja) * 2014-08-21 2018-06-06 株式会社シグマ リアコンバージョンレンズ
JP6818488B2 (ja) * 2016-09-30 2021-01-20 キヤノン株式会社 コンバージョンレンズおよびそれを有する撮影光学系、光学機器
CN216210172U (zh) * 2020-08-31 2022-04-05 深圳市大疆创新科技有限公司 光学系统、拍摄装置及可移动平台

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5425820A (en) * 1977-07-29 1979-02-27 Nippon Chemical Ind Rear conversion lens
JPS58123515A (ja) * 1982-01-20 1983-07-22 Nippon Kogaku Kk <Nikon> リアコンバ−ジヨンレンズ

Also Published As

Publication number Publication date
JPS60136712A (ja) 1985-07-20
US4653871A (en) 1987-03-31

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