JPH0360408B2 - - Google Patents

Info

Publication number
JPH0360408B2
JPH0360408B2 JP57067488A JP6748882A JPH0360408B2 JP H0360408 B2 JPH0360408 B2 JP H0360408B2 JP 57067488 A JP57067488 A JP 57067488A JP 6748882 A JP6748882 A JP 6748882A JP H0360408 B2 JPH0360408 B2 JP H0360408B2
Authority
JP
Japan
Prior art keywords
lens
lens group
negative
group
zoom
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
JP57067488A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58184915A (ja
Inventor
Hiroshi Myamae
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta Inc
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 Konica Minolta Inc filed Critical Konica Minolta Inc
Priority to JP57067488A priority Critical patent/JPS58184915A/ja
Publication of JPS58184915A publication Critical patent/JPS58184915A/ja
Publication of JPH0360408B2 publication Critical patent/JPH0360408B2/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
    • G02B15/143—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 three groups only
    • G02B15/1431—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 three groups only the first group being positive
    • G02B15/143101—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 three groups only the first group being positive arranged +--

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP57067488A 1982-04-23 1982-04-23 小型ズ−ムレンズ Granted JPS58184915A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57067488A JPS58184915A (ja) 1982-04-23 1982-04-23 小型ズ−ムレンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57067488A JPS58184915A (ja) 1982-04-23 1982-04-23 小型ズ−ムレンズ

Publications (2)

Publication Number Publication Date
JPS58184915A JPS58184915A (ja) 1983-10-28
JPH0360408B2 true JPH0360408B2 (enrdf_load_stackoverflow) 1991-09-13

Family

ID=13346410

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57067488A Granted JPS58184915A (ja) 1982-04-23 1982-04-23 小型ズ−ムレンズ

Country Status (1)

Country Link
JP (1) JPS58184915A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4701033A (en) * 1983-09-09 1987-10-20 Minolta Camera Kabushiki Kaisha Variable focal length lens system
JPS6167017A (ja) * 1984-09-08 1986-04-07 Canon Inc 小型のズ−ムレンズ
JPH0617937B2 (ja) * 1984-09-08 1994-03-09 キヤノン株式会社 小型のズ−ムレンズ
JPH0625825B2 (ja) * 1984-10-05 1994-04-06 キヤノン株式会社 小型のズ−ムレンズ
US4779964A (en) * 1985-11-08 1988-10-25 Ricoh Company, Ltd. Zoom lens with a mechanism for moving a first lens so as to be compactly housed
JP2021128188A (ja) * 2020-02-10 2021-09-02 ソニーグループ株式会社 撮像レンズおよび撮像装置

Also Published As

Publication number Publication date
JPS58184915A (ja) 1983-10-28

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