JPS6160418B2 - - Google Patents

Info

Publication number
JPS6160418B2
JPS6160418B2 JP57108168A JP10816882A JPS6160418B2 JP S6160418 B2 JPS6160418 B2 JP S6160418B2 JP 57108168 A JP57108168 A JP 57108168A JP 10816882 A JP10816882 A JP 10816882A JP S6160418 B2 JPS6160418 B2 JP S6160418B2
Authority
JP
Japan
Prior art keywords
lens
positive
negative
group
lens 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
JP57108168A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58224323A (ja
Inventor
Sadao Okudaira
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo 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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Priority to JP57108168A priority Critical patent/JPS58224323A/ja
Priority to US06/506,266 priority patent/US4523814A/en
Priority to DE19833322640 priority patent/DE3322640A1/de
Publication of JPS58224323A publication Critical patent/JPS58224323A/ja
Publication of JPS6160418B2 publication Critical patent/JPS6160418B2/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
    • G02B15/142—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 two groups only
    • G02B15/1425—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 two groups only the first group being negative

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP57108168A 1982-06-23 1982-06-23 ズ−ムレンズ Granted JPS58224323A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP57108168A JPS58224323A (ja) 1982-06-23 1982-06-23 ズ−ムレンズ
US06/506,266 US4523814A (en) 1982-06-23 1983-06-21 Zoom lens
DE19833322640 DE3322640A1 (de) 1982-06-23 1983-06-23 Varioobjektiv

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57108168A JPS58224323A (ja) 1982-06-23 1982-06-23 ズ−ムレンズ

Publications (2)

Publication Number Publication Date
JPS58224323A JPS58224323A (ja) 1983-12-26
JPS6160418B2 true JPS6160418B2 (en]) 1986-12-20

Family

ID=14477702

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57108168A Granted JPS58224323A (ja) 1982-06-23 1982-06-23 ズ−ムレンズ

Country Status (1)

Country Link
JP (1) JPS58224323A (en])

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5694253A (en) * 1995-02-02 1997-12-02 Nikon Corporation High zoom ratio zoom lens
JP3811311B2 (ja) 1999-03-23 2006-08-16 オリンパス株式会社 ズームレンズ系を備えたカメラ
JP4545849B2 (ja) * 1999-08-27 2010-09-15 キヤノン株式会社 変倍光学系
WO2006025130A1 (ja) * 2004-09-02 2006-03-09 Tamron Co., Ltd. 高変倍率ズームレンズ
JP4887712B2 (ja) * 2005-09-29 2012-02-29 株式会社ニコン ズームレンズ
JP2019138926A (ja) * 2018-02-06 2019-08-22 株式会社タムロン ズームレンズ及び撮像装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5832684B2 (ja) * 1977-07-30 1983-07-14 旭光学工業株式会社 高変倍率を有する広角ズ−ムレンズ系
JPS5833531B2 (ja) * 1980-06-05 1983-07-20 コニカ株式会社 高変倍率ズ−ムレンズ
JPS57161804A (en) * 1981-03-31 1982-10-05 Tokinaa Kogaku Kk Zoom lens system
JPS57192918A (en) * 1981-05-25 1982-11-27 Konishiroku Photo Ind Co Ltd Compact zoom lens

Also Published As

Publication number Publication date
JPS58224323A (ja) 1983-12-26

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