GB949465A - A pancratic optical objective - Google Patents

A pancratic optical objective

Info

Publication number
GB949465A
GB949465A GB1749/60A GB174960A GB949465A GB 949465 A GB949465 A GB 949465A GB 1749/60 A GB1749/60 A GB 1749/60A GB 174960 A GB174960 A GB 174960A GB 949465 A GB949465 A GB 949465A
Authority
GB
United Kingdom
Prior art keywords
power
lens
dispersing
collecting
air
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
GB1749/60A
Other languages
English (en)
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.)
Voigtlander AG
Original Assignee
Voigtlander 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 Voigtlander AG filed Critical Voigtlander AG
Publication of GB949465A publication Critical patent/GB949465A/en
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
    • G02B15/145—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)
GB1749/60A 1959-01-21 1960-01-18 A pancratic optical objective Expired GB949465A (en)

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
GB949465A true GB949465A (en) 1964-02-12

Family

ID=26001327

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1749/60A Expired GB949465A (en) 1959-01-21 1960-01-18 A pancratic optical objective
GB26555/62A Expired GB1016881A (en) 1959-01-21 1962-07-10 Lens system

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB26555/62A Expired GB1016881A (en) 1959-01-21 1962-07-10 Lens system

Country Status (5)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2253281A (en) * 1991-02-15 1992-09-02 Asahi Optical Co Ltd Zoom lens having four or five groups

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2253281A (en) * 1991-02-15 1992-09-02 Asahi Optical Co Ltd Zoom lens having four or five groups
US5264965A (en) * 1991-02-15 1993-11-23 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens
GB2253281B (en) * 1991-02-15 1994-05-25 Asahi Optical Co Ltd Zoom lens

Also Published As

Publication number Publication date
NL247454A (enrdf_load_stackoverflow)
CH399770A (de) 1965-09-30
FR1247591A (fr) 1960-12-02
GB1016881A (en) 1966-01-12
CH399769A (de) 1965-09-30
NL121784C (enrdf_load_stackoverflow)
DE1094480B (de) 1960-12-08

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