DE2754713C3 - Fassung für ein Varioobjektiv - Google Patents

Fassung für ein Varioobjektiv

Info

Publication number
DE2754713C3
DE2754713C3 DE19772754713 DE2754713A DE2754713C3 DE 2754713 C3 DE2754713 C3 DE 2754713C3 DE 19772754713 DE19772754713 DE 19772754713 DE 2754713 A DE2754713 A DE 2754713A DE 2754713 C3 DE2754713 C3 DE 2754713C3
Authority
DE
Germany
Prior art keywords
ring
cam
axially
adjustment
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
DE19772754713
Other languages
German (de)
English (en)
Other versions
DE2754713B2 (de
DE2754713A1 (de
Inventor
Takao Omiya Kouda
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.)
Fujinon Corp
Original Assignee
Fuji Photo Optical 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
Priority claimed from JP15795676A external-priority patent/JPS5382371A/ja
Application filed by Fuji Photo Optical Co Ltd filed Critical Fuji Photo Optical Co Ltd
Publication of DE2754713A1 publication Critical patent/DE2754713A1/de
Publication of DE2754713B2 publication Critical patent/DE2754713B2/de
Application granted granted Critical
Publication of DE2754713C3 publication Critical patent/DE2754713C3/de
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
    • G02B15/22—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 movable lens means specially adapted for focusing at close distances
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Lenses (AREA)
DE19772754713 1976-12-09 1977-12-08 Fassung für ein Varioobjektiv Expired DE2754713C3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP16511476 1976-12-09
JP15795676A JPS5382371A (en) 1976-12-28 1976-12-28 Zoom lens barrel permitting close distance photographing

Publications (3)

Publication Number Publication Date
DE2754713A1 DE2754713A1 (de) 1978-06-22
DE2754713B2 DE2754713B2 (de) 1979-03-08
DE2754713C3 true DE2754713C3 (de) 1982-09-30

Family

ID=26485229

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19777737467 Expired DE7737467U1 (de) 1976-12-09 1977-12-08 Halter fuer die variolinsen eines varioobjektivs
DE19772754713 Expired DE2754713C3 (de) 1976-12-09 1977-12-08 Fassung für ein Varioobjektiv

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19777737467 Expired DE7737467U1 (de) 1976-12-09 1977-12-08 Halter fuer die variolinsen eines varioobjektivs

Country Status (2)

Country Link
DE (2) DE7737467U1 (OSRAM)
FR (1) FR2373804A1 (OSRAM)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57116309A (en) * 1981-01-12 1982-07-20 Canon Inc Zoom lens barrel
JPS58145902A (ja) * 1982-02-25 1983-08-31 Yabe Kogaku Kiki Seisakusho:Kk マクロ機能付リアコンバ−タレンズ
JPH07119872B2 (ja) * 1985-12-02 1995-12-20 旭光学工業株式会社 ズ−ムレンズ鏡筒
DE3730572C2 (de) * 1987-09-11 1996-08-22 Leica Industrieverwaltung Fotografisches Objektiv
FR2637989A1 (fr) * 1988-10-15 1990-04-20 Asahi Optical Co Ltd Ensemble d'objectif zoom pour appareil photographique et procede de commande de l'ensemble d'objectif zoom
US5233472A (en) * 1988-10-15 1993-08-03 Asahi Kogaku Kogyo Kabushiki Kaisha Method of controlling a zoom lens assembly
GB2261303B (en) * 1989-03-31 1993-09-15 Asahi Optical Co Ltd Zooming adjustment of a zoom lens

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3059533A (en) * 1959-11-23 1962-10-23 Bell & Howell Co Zoom lens
DE1812964U (de) * 1960-02-12 1960-06-09 Zeiss Carl Fa Einstellfassung fuer photographische objektive mit entfernungs- und brennweitenverstellung.
JPS514852B2 (OSRAM) * 1971-11-10 1976-02-16
US3752565A (en) * 1972-02-18 1973-08-14 Shima Kogaku Kk Zoom lens apparatus
US3784285A (en) * 1972-06-01 1974-01-08 Ponder & Best Zoom lens
US3841735A (en) * 1972-07-17 1974-10-15 Sanko Kogaku Kogyo Kk Zoom lens system operable for extremely short distance photography
US3765748A (en) * 1972-09-01 1973-10-16 H Mito Mechanism for relative adjustment of axially spaced lens components
JPS5220328B2 (OSRAM) * 1974-02-27 1977-06-02
US3915557A (en) * 1974-04-19 1975-10-28 Optigon Res & Dev Corp Zoom lens
US4114984A (en) * 1975-11-07 1978-09-19 Nippon Kogaku K.K. Zoom lens barrel capable of macro-photography

Also Published As

Publication number Publication date
FR2373804B1 (OSRAM) 1982-08-06
DE2754713B2 (de) 1979-03-08
DE7737467U1 (de) 1979-02-08
DE2754713A1 (de) 1978-06-22
FR2373804A1 (fr) 1978-07-07

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
C3 Grant after two publication steps (3rd publication)
8328 Change in the person/name/address of the agent

Free format text: KLUNKER, H., DIPL.-ING. DR.RER.NAT., PAT.-ANW., 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee