DE2414027B2 - Verstelleinrichtung for zwei Zoomeinheiten bei einer Kamera - Google Patents

Verstelleinrichtung for zwei Zoomeinheiten bei einer Kamera

Info

Publication number
DE2414027B2
DE2414027B2 DE2414027A DE2414027A DE2414027B2 DE 2414027 B2 DE2414027 B2 DE 2414027B2 DE 2414027 A DE2414027 A DE 2414027A DE 2414027 A DE2414027 A DE 2414027A DE 2414027 B2 DE2414027 B2 DE 2414027B2
Authority
DE
Germany
Prior art keywords
guide
zoom
rotary cylinder
lens units
units
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.)
Ceased
Application number
DE2414027A
Other languages
German (de)
English (en)
Other versions
DE2414027A1 (de
Inventor
Kimio Yokohama Kanagawa Tanaka (Japan)
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Publication of DE2414027A1 publication Critical patent/DE2414027A1/de
Publication of DE2414027B2 publication Critical patent/DE2414027B2/de
Ceased 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
    • 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
    • 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
    • G02B15/145—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 five groups only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Lenses (AREA)
DE2414027A 1973-03-23 1974-03-22 Verstelleinrichtung for zwei Zoomeinheiten bei einer Kamera Ceased DE2414027B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3331273A JPS5644403B2 (enrdf_load_stackoverflow) 1973-03-23 1973-03-23

Publications (2)

Publication Number Publication Date
DE2414027A1 DE2414027A1 (de) 1974-10-03
DE2414027B2 true DE2414027B2 (de) 1979-05-17

Family

ID=12383028

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2414027A Ceased DE2414027B2 (de) 1973-03-23 1974-03-22 Verstelleinrichtung for zwei Zoomeinheiten bei einer Kamera

Country Status (3)

Country Link
JP (1) JPS5644403B2 (enrdf_load_stackoverflow)
DE (1) DE2414027B2 (enrdf_load_stackoverflow)
GB (1) GB1469291A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2558504A1 (de) * 1974-12-28 1976-11-18 Canon Kk Photographische linsenanordnung
DE3045414A1 (de) * 1979-12-04 1981-06-11 Asahi Kogaku Kogyo K.K., Tokyo Steuerkurven fuer die linsen optischer systeme

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57165810A (en) * 1981-04-06 1982-10-13 Konishiroku Photo Ind Co Ltd Telecentric zoom lens
US4634250A (en) * 1984-06-05 1987-01-06 Olympus Optical Company, Ltd. Zoom lens barrel
JPH04130409A (ja) * 1990-09-21 1992-05-01 Sharp Corp カメラレンズ
JP3088112B2 (ja) * 1990-10-12 2000-09-18 旭光学工業株式会社 ズームレンズ
CN113820840A (zh) * 2020-06-19 2021-12-21 富士胶片株式会社 变倍光学系统及摄像装置
JP7314200B2 (ja) * 2020-06-19 2023-07-25 富士フイルム株式会社 変倍光学系および撮像装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD105904A5 (enrdf_load_stackoverflow) * 1972-12-06 1974-05-12

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2558504A1 (de) * 1974-12-28 1976-11-18 Canon Kk Photographische linsenanordnung
DE3045414A1 (de) * 1979-12-04 1981-06-11 Asahi Kogaku Kogyo K.K., Tokyo Steuerkurven fuer die linsen optischer systeme

Also Published As

Publication number Publication date
GB1469291A (en) 1977-04-06
DE2414027A1 (de) 1974-10-03
JPS49122350A (enrdf_load_stackoverflow) 1974-11-22
JPS5644403B2 (enrdf_load_stackoverflow) 1981-10-19

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Legal Events

Date Code Title Description
8235 Patent refused