JPH0444724B2 - - Google Patents

Info

Publication number
JPH0444724B2
JPH0444724B2 JP58132730A JP13273083A JPH0444724B2 JP H0444724 B2 JPH0444724 B2 JP H0444724B2 JP 58132730 A JP58132730 A JP 58132730A JP 13273083 A JP13273083 A JP 13273083A JP H0444724 B2 JPH0444724 B2 JP H0444724B2
Authority
JP
Japan
Prior art keywords
lens
positive
lens group
group
negative
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 - Lifetime
Application number
JP58132730A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6026312A (ja
Inventor
Yasushi Ogata
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.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP58132730A priority Critical patent/JPS6026312A/ja
Priority to DE19843426186 priority patent/DE3426186A1/de
Priority to US06/632,216 priority patent/US4789226A/en
Publication of JPS6026312A publication Critical patent/JPS6026312A/ja
Publication of JPH0444724B2 publication Critical patent/JPH0444724B2/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
    • G02B15/144—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 four groups only
    • G02B15/1441—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 four groups only the first group being positive
    • G02B15/144113—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 four groups only the first group being positive arranged +-++

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP58132730A 1983-07-22 1983-07-22 ズ−ムレンズ Granted JPS6026312A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP58132730A JPS6026312A (ja) 1983-07-22 1983-07-22 ズ−ムレンズ
DE19843426186 DE3426186A1 (de) 1983-07-22 1984-07-16 Varioobjektiv
US06/632,216 US4789226A (en) 1983-07-22 1984-07-18 Zoom lens system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58132730A JPS6026312A (ja) 1983-07-22 1983-07-22 ズ−ムレンズ

Publications (2)

Publication Number Publication Date
JPS6026312A JPS6026312A (ja) 1985-02-09
JPH0444724B2 true JPH0444724B2 (en, 2012) 1992-07-22

Family

ID=15088246

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58132730A Granted JPS6026312A (ja) 1983-07-22 1983-07-22 ズ−ムレンズ

Country Status (3)

Country Link
US (1) US4789226A (en, 2012)
JP (1) JPS6026312A (en, 2012)
DE (1) DE3426186A1 (en, 2012)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5086356A (en) * 1988-01-01 1992-02-04 Minolta Camera Kabushiki Kaisha Compact zoom lens system
US5018843A (en) * 1988-12-08 1991-05-28 Nikon Corporation Zoom lens apparatus with lens units for zooming and focusing
US5000551A (en) * 1989-06-05 1991-03-19 Nikon Corporation Zoom lens
JP2814388B2 (ja) * 1989-06-27 1998-10-22 株式会社ニコン ズームレンズ
US5241421A (en) * 1990-01-31 1993-08-31 Canon Kabushiki Kaisha Zoom lens
US5568321A (en) * 1990-11-16 1996-10-22 Canon Kabushiki Kaisha Zoom lens
JP2859734B2 (ja) * 1990-11-22 1999-02-24 オリンパス光学工業株式会社 ズームレンズ
US5315438A (en) * 1990-12-12 1994-05-24 Olympus Optical Co., Ltd. Zoom lens system
US5373523A (en) * 1992-10-15 1994-12-13 Kabushiki Kaisha Komatsu Seisakusho Excimer laser apparatus
JP3990126B2 (ja) * 2000-11-08 2007-10-10 オリンパス株式会社 顕微鏡ズーム対物レンズ
US6931207B2 (en) * 2002-12-27 2005-08-16 Canon Kabushiki Kaisha Zoom lens system and camera having the same
TWI276831B (en) * 2006-01-25 2007-03-21 Young Optics Inc Zoom lens
CN107209351B (zh) * 2014-12-26 2020-07-31 株式会社尼康 变倍光学系统以及光学装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS594685B2 (ja) * 1975-11-05 1984-01-31 キヤノン株式会社 コンパクトナズ−ムレンズ
JPS5695212A (en) * 1979-12-28 1981-08-01 Canon Inc Zoom lens of short overall length
JPS56133713A (en) * 1980-03-24 1981-10-20 Asahi Optical Co Ltd Zoom lens
JPS56150717A (en) * 1980-04-24 1981-11-21 Minolta Camera Co Ltd Zoom lens system
JPS56161517A (en) * 1980-05-15 1981-12-11 Ricoh Co Ltd Telephoto zoom lens
JPS5735822A (en) * 1980-08-14 1982-02-26 Canon Inc Zoom lens
JPS57135913A (en) * 1981-02-16 1982-08-21 Canon Inc Zoom lens
JPS57161804A (en) * 1981-03-31 1982-10-05 Tokinaa Kogaku Kk Zoom lens system
JPS57161824A (en) * 1981-03-31 1982-10-05 Tokinaa Kogaku Kk Zoom lens system
US4494828A (en) * 1981-04-09 1985-01-22 Minolta Camera Kabushiki Kaisha Zoom lens system of relatively high zoom ratio ranging to wide angle photography
JPS57186707A (en) * 1981-05-13 1982-11-17 Canon Inc Telephoto zoom lens
US4523814A (en) * 1982-06-23 1985-06-18 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens

Also Published As

Publication number Publication date
US4789226A (en) 1988-12-06
DE3426186A1 (de) 1985-01-31
JPS6026312A (ja) 1985-02-09

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