JPS6028614A - リアフオ−カスコンバ−ジヨンレンズ - Google Patents

リアフオ−カスコンバ−ジヨンレンズ

Info

Publication number
JPS6028614A
JPS6028614A JP58137375A JP13737583A JPS6028614A JP S6028614 A JPS6028614 A JP S6028614A JP 58137375 A JP58137375 A JP 58137375A JP 13737583 A JP13737583 A JP 13737583A JP S6028614 A JPS6028614 A JP S6028614A
Authority
JP
Japan
Prior art keywords
lens
objective lens
focus
focusing
distance
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.)
Granted
Application number
JP58137375A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0441804B2 (enrdf_load_stackoverflow
Inventor
Yoshinori Hamanishi
濱西　芳徳
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.)
Nikon Corp
Original Assignee
Nikon Corp
Nippon Kogaku KK
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 Nikon Corp, Nippon Kogaku KK filed Critical Nikon Corp
Priority to JP58137375A priority Critical patent/JPS6028614A/ja
Priority to US06/632,103 priority patent/US4655558A/en
Publication of JPS6028614A publication Critical patent/JPS6028614A/ja
Publication of JPH0441804B2 publication Critical patent/JPH0441804B2/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
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/142—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having two groups only
    • G02B15/1421—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having two groups only the first group being positive

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP58137375A 1983-07-27 1983-07-27 リアフオ−カスコンバ−ジヨンレンズ Granted JPS6028614A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP58137375A JPS6028614A (ja) 1983-07-27 1983-07-27 リアフオ−カスコンバ−ジヨンレンズ
US06/632,103 US4655558A (en) 1983-07-27 1984-07-18 Rear focus conversion lens apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58137375A JPS6028614A (ja) 1983-07-27 1983-07-27 リアフオ−カスコンバ−ジヨンレンズ

Publications (2)

Publication Number Publication Date
JPS6028614A true JPS6028614A (ja) 1985-02-13
JPH0441804B2 JPH0441804B2 (enrdf_load_stackoverflow) 1992-07-09

Family

ID=15197212

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58137375A Granted JPS6028614A (ja) 1983-07-27 1983-07-27 リアフオ−カスコンバ−ジヨンレンズ

Country Status (1)

Country Link
JP (1) JPS6028614A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015152618A (ja) * 2014-02-10 2015-08-24 オリンパス株式会社 テレコンバーター及びそれを備えた撮像システム
GB2583820A (en) * 2019-02-27 2020-11-11 Canon Kk Converter lens, interchangeable lens, and image capturing apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015152618A (ja) * 2014-02-10 2015-08-24 オリンパス株式会社 テレコンバーター及びそれを備えた撮像システム
GB2583820A (en) * 2019-02-27 2020-11-11 Canon Kk Converter lens, interchangeable lens, and image capturing apparatus
GB2583820B (en) * 2019-02-27 2022-03-02 Canon Kk Converter lens, interchangeable lens, and image capturing apparatus
US11474332B2 (en) 2019-02-27 2022-10-18 Canon Kabushiki Kaisha Converter lens, interchangeable lens, and image capturing apparatus

Also Published As

Publication number Publication date
JPH0441804B2 (enrdf_load_stackoverflow) 1992-07-09

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees