JPS5541402B2 - - Google Patents

Info

Publication number
JPS5541402B2
JPS5541402B2 JP1429074A JP1429074A JPS5541402B2 JP S5541402 B2 JPS5541402 B2 JP S5541402B2 JP 1429074 A JP1429074 A JP 1429074A JP 1429074 A JP1429074 A JP 1429074A JP S5541402 B2 JPS5541402 B2 JP S5541402B2
Authority
JP
Japan
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
JP1429074A
Other versions
JPS50109739A (ja
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 filed Critical
Priority to JP1429074A priority Critical patent/JPS5541402B2/ja
Priority to US05/545,750 priority patent/US4025167A/en
Priority to DE2504632A priority patent/DE2504632C3/de
Publication of JPS50109739A publication Critical patent/JPS50109739A/ja
Publication of JPS5541402B2 publication Critical patent/JPS5541402B2/ja
Expired 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)
JP1429074A 1974-02-04 1974-02-04 Expired JPS5541402B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1429074A JPS5541402B2 (ja) 1974-02-04 1974-02-04
US05/545,750 US4025167A (en) 1974-02-04 1975-01-30 Telephoto-type zoom lens system
DE2504632A DE2504632C3 (de) 1974-02-04 1975-02-04 Tele-Vario-Objektiv

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1429074A JPS5541402B2 (ja) 1974-02-04 1974-02-04

Publications (2)

Publication Number Publication Date
JPS50109739A JPS50109739A (ja) 1975-08-29
JPS5541402B2 true JPS5541402B2 (ja) 1980-10-24

Family

ID=11856949

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1429074A Expired JPS5541402B2 (ja) 1974-02-04 1974-02-04

Country Status (3)

Country Link
US (1) US4025167A (ja)
JP (1) JPS5541402B2 (ja)
DE (1) DE2504632C3 (ja)

Families Citing this family (15)

* 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
JPS54143127A (en) * 1978-04-27 1979-11-08 Tamron Kk Inexpensive high performance zoom lens
JPS55111915A (en) * 1979-02-22 1980-08-29 Canon Inc Zoom lens
JPS55121418A (en) * 1979-03-15 1980-09-18 Canon Inc Zoom lens
JPS55135812A (en) * 1979-04-12 1980-10-23 Konishiroku Photo Ind Co Ltd Compact zoom lens
JPS597363B2 (ja) * 1979-07-13 1984-02-17 旭光学工業株式会社 コンパクトなズ−ムレンズ系
JPS56119110A (en) * 1980-02-26 1981-09-18 Nippon Kogaku Kk <Nikon> Zoom lens
FR2478332A1 (fr) * 1980-03-12 1981-09-18 Cattelani Claude Objectif a focale variable et systeme optique equipe de tels objectifs pour la realisation d'effets speciaux sur des films
JPS5735822A (en) * 1980-08-14 1982-02-26 Canon Inc Zoom lens
JPS57138612A (en) * 1981-02-23 1982-08-27 Nippon Kogaku Kk <Nikon> Telephotographic zoom lens consisting of four groups
JPS6057312A (ja) * 1983-09-08 1985-04-03 Olympus Optical Co Ltd ズ−ムレンズ
JPS6258418U (ja) * 1986-08-06 1987-04-11
JPH0337610A (ja) * 1989-07-04 1991-02-19 Minolta Camera Co Ltd 有限距離用ズームレンズ
JPH05323192A (ja) * 1992-05-26 1993-12-07 Fuji Photo Optical Co Ltd 可変焦点距離レンズ
CN103797395B (zh) 2011-09-14 2016-06-08 富士胶片株式会社 可变放大倍率光学系统和成像设备

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3615125A (en) * 1967-07-04 1971-10-26 Nippon Kogaku Kk Compact telephoto type zoom lens

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4924295B1 (ja) * 1970-12-24 1974-06-21
JPS512368B1 (ja) * 1971-02-23 1976-01-26

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3615125A (en) * 1967-07-04 1971-10-26 Nippon Kogaku Kk Compact telephoto type zoom lens

Also Published As

Publication number Publication date
US4025167A (en) 1977-05-24
DE2504632C3 (de) 1982-01-14
DE2504632A1 (de) 1976-01-02
JPS50109739A (ja) 1975-08-29
DE2504632B2 (de) 1981-05-21

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