DE2347487C2 - Fokussierungseinrichtung für ein photographisches Linsensystem - Google Patents

Fokussierungseinrichtung für ein photographisches Linsensystem

Info

Publication number
DE2347487C2
DE2347487C2 DE19732347487 DE2347487A DE2347487C2 DE 2347487 C2 DE2347487 C2 DE 2347487C2 DE 19732347487 DE19732347487 DE 19732347487 DE 2347487 A DE2347487 A DE 2347487A DE 2347487 C2 DE2347487 C2 DE 2347487C2
Authority
DE
Germany
Prior art keywords
lens
lens mount
drive mechanism
actuating
lenses
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
DE19732347487
Other languages
German (de)
English (en)
Other versions
DE2347487A1 (de
Inventor
Kyozo Izumi Osaka Uesugi
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.)
Minolta Co Ltd
Original Assignee
Minolta 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 Minolta Co Ltd filed Critical Minolta Co Ltd
Publication of DE2347487A1 publication Critical patent/DE2347487A1/de
Application granted granted Critical
Publication of DE2347487C2 publication Critical patent/DE2347487C2/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
DE19732347487 1972-09-22 1973-09-21 Fokussierungseinrichtung für ein photographisches Linsensystem Expired DE2347487C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9571272A JPS4953821A (OSRAM) 1972-09-22 1972-09-22

Publications (2)

Publication Number Publication Date
DE2347487A1 DE2347487A1 (de) 1974-04-11
DE2347487C2 true DE2347487C2 (de) 1982-06-03

Family

ID=14145090

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732347487 Expired DE2347487C2 (de) 1972-09-22 1973-09-21 Fokussierungseinrichtung für ein photographisches Linsensystem

Country Status (2)

Country Link
JP (1) JPS4953821A (OSRAM)
DE (1) DE2347487C2 (OSRAM)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2732763A (en) * 1956-01-31 Varifocal lens constructions and devices
JPS5251786U (OSRAM) * 1975-10-09 1977-04-13

Also Published As

Publication number Publication date
DE2347487A1 (de) 1974-04-11
JPS4953821A (OSRAM) 1974-05-25

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Legal Events

Date Code Title Description
OD Request for examination
8125 Change of the main classification

Ipc: G02B 7/10

D2 Grant after examination
8339 Ceased/non-payment of the annual fee