CH399769A - Lichtstarkes pankratisches Objektiv - Google Patents

Lichtstarkes pankratisches Objektiv

Info

Publication number
CH399769A
CH399769A CH860A CH860A CH399769A CH 399769 A CH399769 A CH 399769A CH 860 A CH860 A CH 860A CH 860 A CH860 A CH 860A CH 399769 A CH399769 A CH 399769A
Authority
CH
Switzerland
Prior art keywords
fast
pancratic lens
pancratic
lens
fast pancratic
Prior art date
Application number
CH860A
Other languages
German (de)
English (en)
Inventor
G Dr Back Frank
Original Assignee
Voigtlaender Ag
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 Voigtlaender Ag filed Critical Voigtlaender Ag
Publication of CH399769A publication Critical patent/CH399769A/de

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
    • G02B15/145—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
    • G02B15/1455—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 the first group being negative
    • G02B15/145527—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 the first group being negative arranged -+-++

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Telescopes (AREA)
CH860A 1959-01-21 1960-01-04 Lichtstarkes pankratisches Objektiv CH399769A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEV15795A DE1094480B (de) 1959-01-21 1959-01-21 Pankratisches Objektiv fuer Aufnahme- und Wiedergabe-Zwecke
DEV0021158 1961-08-11

Publications (1)

Publication Number Publication Date
CH399769A true CH399769A (de) 1965-09-30

Family

ID=26001327

Family Applications (2)

Application Number Title Priority Date Filing Date
CH860A CH399769A (de) 1959-01-21 1960-01-04 Lichtstarkes pankratisches Objektiv
CH1144161A CH399770A (de) 1959-01-21 1961-10-02 Pankratisches Objektiv für Aufnahme- und Wiedergabe-Zwecke

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH1144161A CH399770A (de) 1959-01-21 1961-10-02 Pankratisches Objektiv für Aufnahme- und Wiedergabe-Zwecke

Country Status (5)

Country Link
CH (2) CH399769A (ja)
DE (1) DE1094480B (ja)
FR (1) FR1247591A (ja)
GB (2) GB949465A (ja)
NL (2) NL247454A (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2253281B (en) * 1991-02-15 1994-05-25 Asahi Optical Co Ltd Zoom lens

Also Published As

Publication number Publication date
NL247454A (ja)
GB949465A (en) 1964-02-12
CH399770A (de) 1965-09-30
GB1016881A (en) 1966-01-12
NL121784C (ja)
FR1247591A (fr) 1960-12-02
DE1094480B (de) 1960-12-08

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