JPS58199312A - 小型ズ−ムレンズ - Google Patents

小型ズ−ムレンズ

Info

Publication number
JPS58199312A
JPS58199312A JP57082437A JP8243782A JPS58199312A JP S58199312 A JPS58199312 A JP S58199312A JP 57082437 A JP57082437 A JP 57082437A JP 8243782 A JP8243782 A JP 8243782A JP S58199312 A JPS58199312 A JP S58199312A
Authority
JP
Japan
Prior art keywords
lens
group
lens group
focal distance
zoom lens
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
JP57082437A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0416765B2 (enrdf_load_stackoverflow
Inventor
Kohei Oota
耕平 太田
Tadashi Kojima
小島　忠
Makoto Sakano
誠 坂野
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 true JPS58199312A (ja) 1983-11-19
JPH0416765B2 JPH0416765B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60225110A (ja) * 1984-04-23 1985-11-09 Sigma:Kk 望遠ズ−ムレンズ
JPS6169017A (ja) * 1984-07-09 1986-04-09 Canon Inc 小型のズ−ムレンズ
JPS62183421A (ja) * 1986-02-08 1987-08-11 Sigma:Kk コンパクトなズ−ムレンズ
US4701033A (en) * 1983-09-09 1987-10-20 Minolta Camera Kabushiki Kaisha Variable focal length lens system
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
JPH0193713A (ja) * 1987-10-05 1989-04-12 Canon Inc 小型のズームレンズ
JPH0894934A (ja) * 1994-09-27 1996-04-12 Olympus Optical Co Ltd 小型３群ズームレンズ
JPH116958A (ja) * 1997-06-16 1999-01-12 Minolta Co Ltd ズームレンズ
JP2001188169A (ja) * 1999-12-27 2001-07-10 Asahi Optical Co Ltd ズームレンズ系
JP2015161871A (ja) * 2014-02-28 2015-09-07 株式会社オプトロジック 撮像レンズ
US10302913B2 (en) 2014-01-10 2019-05-28 Kantatsu Co., Ltd. Imaging lens

Cited By (22)

* 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
JPS6169017A (ja) * 1984-07-09 1986-04-09 Canon Inc 小型のズ−ムレンズ
US4652091A (en) * 1984-07-09 1987-03-24 Canon Kabushiki Kaisha Compact zoom lens with short back focal distance
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
JPH0193713A (ja) * 1987-10-05 1989-04-12 Canon Inc 小型のズームレンズ
JPH0894934A (ja) * 1994-09-27 1996-04-12 Olympus Optical Co Ltd 小型３群ズームレンズ
JPH116958A (ja) * 1997-06-16 1999-01-12 Minolta Co Ltd ズームレンズ
JP2001188169A (ja) * 1999-12-27 2001-07-10 Asahi Optical Co Ltd ズームレンズ系
US10571662B2 (en) 2014-01-10 2020-02-25 Kantatsu Co., Ltd. Imaging lens
US10571663B2 (en) 2014-01-10 2020-02-25 Kantatsu Co., Ltd. Imaging lens
US10302913B2 (en) 2014-01-10 2019-05-28 Kantatsu Co., Ltd. Imaging lens
US10466448B2 (en) 2014-01-10 2019-11-05 Kantatsu Co., Ltd. Imaging lens
US10488629B2 (en) 2014-01-10 2019-11-26 Kantatsu Co., Ltd. Imaging lens
JP2015161871A (ja) * 2014-02-28 2015-09-07 株式会社オプトロジック 撮像レンズ
US10558021B2 (en) 2014-02-28 2020-02-11 Kantatsu Co., Ltd. Imaging lens
US10545316B2 (en) 2014-02-28 2020-01-28 Kantatsu Co., Ltd. Imaging lens
US10126526B2 (en) 2014-02-28 2018-11-13 Kantatsu Co., Ltd. Imaging lens
US10613301B2 (en) 2014-02-28 2020-04-07 Kantatsu Co., Ltd. Imaging lens
US10613300B2 (en) 2014-02-28 2020-04-07 Kantatsu Co., Ltd. Imaging lens
US10620406B2 (en) 2014-02-28 2020-04-14 Kantatsu Co., Ltd. Imaging lens

Also Published As

Publication number Publication date
JPH0416765B2 (enrdf_load_stackoverflow) 1992-03-25

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