JPS58224323A - ズ−ムレンズ - Google Patents

ズ−ムレンズ

Info

Publication number
JPS58224323A
JPS58224323A JP57108168A JP10816882A JPS58224323A JP S58224323 A JPS58224323 A JP S58224323A JP 57108168 A JP57108168 A JP 57108168A JP 10816882 A JP10816882 A JP 10816882A JP S58224323 A JPS58224323 A JP S58224323A
Authority
JP
Japan
Prior art keywords
lens
focal length
lens group
negative
positive
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
JP57108168A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6160418B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Sadao Okudaira
定男 奥平
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 true JPS58224323A (ja) 1983-12-26
JPS6160418B2 JPS6160418B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (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
JP2001066500A (ja) * 1999-08-27 2001-03-16 Canon Inc 防振機能を有した変倍光学系
US6324018B1 (en) 1999-03-23 2001-11-27 Olympus Optical Co., Ltd. Zoom lens system
JP2007094177A (ja) * 2005-09-29 2007-04-12 Nikon Corp ズームレンズ
JPWO2006025130A1 (ja) * 2004-09-02 2008-05-08 株式会社タムロン 高変倍率ズームレンズ
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5430855A (en) * 1977-07-30 1979-03-07 Asahi Optical Co Ltd Wide angle zoom lens system having high variable magnification
JPS572014A (en) * 1980-06-05 1982-01-07 Konishiroku Photo Ind Co Ltd Zoom lens having high variable magnification
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5430855A (en) * 1977-07-30 1979-03-07 Asahi Optical Co Ltd Wide angle zoom lens system having high variable magnification
JPS572014A (en) * 1980-06-05 1982-01-07 Konishiroku Photo Ind Co Ltd Zoom lens having high variable magnification
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

Cited By (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
US6324018B1 (en) 1999-03-23 2001-11-27 Olympus Optical Co., Ltd. Zoom lens system
JP2001066500A (ja) * 1999-08-27 2001-03-16 Canon Inc 防振機能を有した変倍光学系
JPWO2006025130A1 (ja) * 2004-09-02 2008-05-08 株式会社タムロン 高変倍率ズームレンズ
JP2007094177A (ja) * 2005-09-29 2007-04-12 Nikon Corp 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

Also Published As

Publication number Publication date
JPS6160418B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-12-20

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