JPH0440689B2 - - Google Patents

Info

Publication number
JPH0440689B2
JPH0440689B2 JP56176831A JP17683181A JPH0440689B2 JP H0440689 B2 JPH0440689 B2 JP H0440689B2 JP 56176831 A JP56176831 A JP 56176831A JP 17683181 A JP17683181 A JP 17683181A JP H0440689 B2 JPH0440689 B2 JP H0440689B2
Authority
JP
Japan
Prior art keywords
lens
group
wide
object side
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 - Lifetime
Application number
JP56176831A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5878114A (ja
Inventor
Juto Takahashi
Yasuhiro Aono
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.)
Nikon Corp
Original Assignee
Nippon Kogaku KK
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 Nippon Kogaku KK filed Critical Nippon Kogaku KK
Priority to JP56176831A priority Critical patent/JPS5878114A/ja
Priority to US06/435,710 priority patent/US4699475A/en
Priority to DE19823240781 priority patent/DE3240781A1/de
Publication of JPS5878114A publication Critical patent/JPS5878114A/ja
Publication of JPH0440689B2 publication Critical patent/JPH0440689B2/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
    • G02B15/16—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 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
    • 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)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP56176831A 1981-11-04 1981-11-04 広画角を含むズ−ムレンズ Granted JPS5878114A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP56176831A JPS5878114A (ja) 1981-11-04 1981-11-04 広画角を含むズ−ムレンズ
US06/435,710 US4699475A (en) 1981-11-04 1982-10-21 Zoom lens including a wide angle of view
DE19823240781 DE3240781A1 (de) 1981-11-04 1982-11-04 Varioobjektiv, dessen kuerzeste brennweite im weitwinkelbereich gelegen ist

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56176831A JPS5878114A (ja) 1981-11-04 1981-11-04 広画角を含むズ−ムレンズ

Publications (2)

Publication Number Publication Date
JPS5878114A JPS5878114A (ja) 1983-05-11
JPH0440689B2 true JPH0440689B2 (en, 2012) 1992-07-03

Family

ID=16020594

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56176831A Granted JPS5878114A (ja) 1981-11-04 1981-11-04 広画角を含むズ−ムレンズ

Country Status (3)

Country Link
US (1) US4699475A (en, 2012)
JP (1) JPS5878114A (en, 2012)
DE (1) DE3240781A1 (en, 2012)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4632519A (en) * 1983-07-06 1986-12-30 Nippon Kogaku K.K. Zoom lens including a wide angle of view
JPS60221717A (ja) * 1984-04-16 1985-11-06 Nippon Kogaku Kk <Nikon> 高変倍率ズ−ムレンズ系
JPS60225110A (ja) * 1984-04-23 1985-11-09 Sigma:Kk 望遠ズ−ムレンズ
US4836662A (en) * 1985-04-19 1989-06-06 Olympus Optical Co., Ltd. Telephoto zoom lens system
JPH071335B2 (ja) * 1985-05-31 1995-01-11 オリンパス光学工業株式会社 望遠ズ−ムレンズ
JPS629311A (ja) * 1985-07-08 1987-01-17 Tokinaa Kogaku Kk ３レンズ群からなるコンパクトなズ−ムレンズ
US4974587A (en) * 1988-12-22 1990-12-04 Bsd Medical Corporation Applicator array and positioning system for hyperthermia
JPH116958A (ja) * 1997-06-16 1999-01-12 Minolta Co Ltd ズームレンズ
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
JP2000347102A (ja) * 1999-06-04 2000-12-15 Konica Corp ズームレンズ
DE19943015A1 (de) * 1999-09-09 2001-03-15 Zeiss Carl Jena Gmbh Varioobjektiv
US20100141734A1 (en) * 2008-10-28 2010-06-10 Hitachi Maxell, Ltd. Imaging apparatus and optical axis correction method of imaging apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1299903B (de) * 1963-08-27 1969-07-24 Nippon Kogaku Kk Pankratisches Objektiv
US3549242A (en) * 1966-10-27 1970-12-22 Nippon Kogaku Kk Zooming lens of extremely high zooming ratio
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
JPS55156912A (en) * 1979-05-16 1980-12-06 Asahi Optical Co Ltd High variable power zoom lens including wide angle
JPS56165107A (en) * 1980-05-23 1981-12-18 Minolta Camera Co Ltd Focusing device for zoom lens
JPS5833531B2 (ja) * 1980-06-05 1983-07-20 コニカ株式会社 高変倍率ズ−ムレンズ

Also Published As

Publication number Publication date
DE3240781A1 (de) 1983-05-11
JPS5878114A (ja) 1983-05-11
US4699475A (en) 1987-10-13

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