DE2305353A1 - Lichtstarkes objektiv - Google Patents

Lichtstarkes objektiv

Info

Publication number
DE2305353A1
DE2305353A1 DE19732305353 DE2305353A DE2305353A1 DE 2305353 A1 DE2305353 A1 DE 2305353A1 DE 19732305353 DE19732305353 DE 19732305353 DE 2305353 A DE2305353 A DE 2305353A DE 2305353 A1 DE2305353 A1 DE 2305353A1
Authority
DE
Germany
Prior art keywords
lens
positive
max
focal length
negative
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.)
Pending
Application number
DE19732305353
Other languages
German (de)
English (en)
Inventor
Helmut Dipl Ing Gela
Trude Muszumanski
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE2305353A1 publication Critical patent/DE2305353A1/de
Pending 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
    • G02B13/00—Optical objectives specially designed for the purposes specified below

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
DE19732305353 1972-02-25 1973-02-03 Lichtstarkes objektiv Pending DE2305353A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT153772A AT316891B (de) 1972-02-25 1972-02-25 Lichtstarkes Objektiv

Publications (1)

Publication Number Publication Date
DE2305353A1 true DE2305353A1 (de) 1973-09-06

Family

ID=3515605

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732305353 Pending DE2305353A1 (de) 1972-02-25 1973-02-03 Lichtstarkes objektiv

Country Status (5)

Country Link
AT (1) AT316891B (enrdf_load_stackoverflow)
DE (1) DE2305353A1 (enrdf_load_stackoverflow)
FR (1) FR2173261B3 (enrdf_load_stackoverflow)
GB (1) GB1388081A (enrdf_load_stackoverflow)
HK (1) HK9376A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2520793A1 (de) * 1974-05-09 1975-11-13 Canon Kk Vario-linsensystem
WO2000059352A1 (de) 1999-04-07 2000-10-12 Recknagel Gmbh Reinigungsgerät, insbesondere für grillgeräte oder dergleichen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2520793A1 (de) * 1974-05-09 1975-11-13 Canon Kk Vario-linsensystem
WO2000059352A1 (de) 1999-04-07 2000-10-12 Recknagel Gmbh Reinigungsgerät, insbesondere für grillgeräte oder dergleichen

Also Published As

Publication number Publication date
FR2173261B3 (enrdf_load_stackoverflow) 1975-03-21
GB1388081A (en) 1975-03-19
AT316891B (de) 1974-07-25
FR2173261A1 (enrdf_load_stackoverflow) 1973-10-05
HK9376A (en) 1976-03-05

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