JPH0358491B2 - - Google Patents

Info

Publication number
JPH0358491B2
JPH0358491B2 JP57106725A JP10672582A JPH0358491B2 JP H0358491 B2 JPH0358491 B2 JP H0358491B2 JP 57106725 A JP57106725 A JP 57106725A JP 10672582 A JP10672582 A JP 10672582A JP H0358491 B2 JPH0358491 B2 JP H0358491B2
Authority
JP
Japan
Prior art keywords
lens
lens group
positive
negative
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
JP57106725A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58224322A (ja
Inventor
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 JP57106725A priority Critical patent/JPS58224322A/ja
Publication of JPS58224322A publication Critical patent/JPS58224322A/ja
Publication of JPH0358491B2 publication Critical patent/JPH0358491B2/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
    • G02B15/143103—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)
JP57106725A 1982-06-23 1982-06-23 小型３群ズ−ムレンズ Granted JPS58224322A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57106725A JPS58224322A (ja) 1982-06-23 1982-06-23 小型３群ズ−ムレンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57106725A JPS58224322A (ja) 1982-06-23 1982-06-23 小型３群ズ−ムレンズ

Publications (2)

Publication Number Publication Date
JPS58224322A JPS58224322A (ja) 1983-12-26
JPH0358491B2 true JPH0358491B2 (en, 2012) 1991-09-05

Family

ID=14440912

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57106725A Granted JPS58224322A (ja) 1982-06-23 1982-06-23 小型３群ズ−ムレンズ

Country Status (1)

Country Link
JP (1) JPS58224322A (en, 2012)

Families Citing this family (10)

* 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
JPH0668575B2 (ja) * 1984-08-23 1994-08-31 キヤノン株式会社 小型のズ−ムレンズ
JPH0625824B2 (ja) * 1984-10-05 1994-04-06 キヤノン株式会社 小型のズ−ムレンズ
JP2619632B2 (ja) * 1986-12-25 1997-06-11 オリンパス光学工業株式会社 コンパクトな高変倍率ズームレンズ
JP2761920B2 (ja) * 1989-04-26 1998-06-04 コニカ株式会社 小型の広角ズームレンズ
US5424870A (en) * 1990-07-20 1995-06-13 Minolta Camera Kabushiki Kaisha Compact zoom lens system
JP3260798B2 (ja) * 1991-03-04 2002-02-25 オリンパス光学工業株式会社 広角ズ−ムレンズ
JP2549051B2 (ja) * 1993-05-12 1996-10-30 旭光学工業株式会社 レンズシャッタ式ズームレンズカメラ
JP5092449B2 (ja) * 2007-02-27 2012-12-05 株式会社ニコン ズームレンズと、これを有する光学装置
TWI531815B (zh) 2014-12-30 2016-05-01 大立光電股份有限公司 攝像光學鏡片組、取像裝置及電子裝置

Also Published As

Publication number Publication date
JPS58224322A (ja) 1983-12-26

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