JPH0416765B2 - - Google Patents

Info

Publication number
JPH0416765B2
JPH0416765B2 JP57082437A JP8243782A JPH0416765B2 JP H0416765 B2 JPH0416765 B2 JP H0416765B2 JP 57082437 A JP57082437 A JP 57082437A JP 8243782 A JP8243782 A JP 8243782A JP H0416765 B2 JPH0416765 B2 JP H0416765B2
Authority
JP
Japan
Prior art keywords
lens group
lens
positive
refractive power
group
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
JP57082437A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58199312A (ja
Inventor
Kohei Oota
Tadashi Kojima
Makoto Sakano
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 JP57082437A priority Critical patent/JPS58199312A/ja
Publication of JPS58199312A publication Critical patent/JPS58199312A/ja
Publication of JPH0416765B2 publication Critical patent/JPH0416765B2/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
    • G02B15/143105—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)
JP57082437A 1982-05-18 1982-05-18 小型ズ−ムレンズ Granted JPS58199312A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57082437A JPS58199312A (ja) 1982-05-18 1982-05-18 小型ズ−ムレンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57082437A JPS58199312A (ja) 1982-05-18 1982-05-18 小型ズ−ムレンズ

Publications (2)

Publication Number Publication Date
JPS58199312A JPS58199312A (ja) 1983-11-19
JPH0416765B2 true JPH0416765B2 (en]) 1992-03-25

Family

ID=13774521

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57082437A Granted JPS58199312A (ja) 1982-05-18 1982-05-18 小型ズ−ムレンズ

Country Status (1)

Country Link
JP (1) JPS58199312A (en])

Families Citing this family (11)

* 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
JPS60225110A (ja) * 1984-04-23 1985-11-09 Sigma:Kk 望遠ズ−ムレンズ
JPH0629905B2 (ja) * 1984-07-09 1994-04-20 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
JPS62183421A (ja) * 1986-02-08 1987-08-11 Sigma:Kk コンパクトなズ−ムレンズ
JP2546293B2 (ja) * 1987-10-05 1996-10-23 キヤノン株式会社 小型のズームレンズ
JP3414519B2 (ja) * 1994-09-27 2003-06-09 オリンパス光学工業株式会社 小型３群ズームレンズを用いたカメラ
JPH116958A (ja) * 1997-06-16 1999-01-12 Minolta Co Ltd ズームレンズ
JP3569473B2 (ja) * 1999-12-27 2004-09-22 ペンタックス株式会社 ズームレンズ系
JP6226295B2 (ja) 2014-01-10 2017-11-08 株式会社オプトロジック 撮像レンズ
JP6393874B2 (ja) 2014-02-28 2018-09-26 カンタツ株式会社 撮像レンズ

Also Published As

Publication number Publication date
JPS58199312A (ja) 1983-11-19

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