GB884693A - A supplementary lens attachment for photographic, particularly cinematographic objectives - Google Patents

A supplementary lens attachment for photographic, particularly cinematographic objectives

Info

Publication number
GB884693A
GB884693A GB6624/60A GB662460A GB884693A GB 884693 A GB884693 A GB 884693A GB 6624/60 A GB6624/60 A GB 6624/60A GB 662460 A GB662460 A GB 662460A GB 884693 A GB884693 A GB 884693A
Authority
GB
United Kingdom
Prior art keywords
photographic
lens attachment
supplementary lens
cinematographic
objectives
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
GB6624/60A
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.)
ISK Optics GmbH
Original Assignee
Isco Optische Werke GmbH
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 Isco Optische Werke GmbH filed Critical Isco Optische Werke GmbH
Publication of GB884693A publication Critical patent/GB884693A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00Optical objectives with means for varying the magnification

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection-Type Copiers In General (AREA)

Abstract

884,693. Lens attachments. ISCOOPTISCHE WERKE G.m.b.H. Feb. 25, 1960 [March 7, 1959], No. 6624/60. Drawings to Specification. Class 97(1). A supplementary lens attachment for use with a photographic objective comprises at least two components of opposite refractive powers separated by an air gap. Three numerical examples are given.
GB6624/60A 1959-03-07 1960-02-25 A supplementary lens attachment for photographic, particularly cinematographic objectives Expired GB884693A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE884693X 1959-03-07

Publications (1)

Publication Number Publication Date
GB884693A true GB884693A (en) 1961-12-13

Family

ID=6832542

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6624/60A Expired GB884693A (en) 1959-03-07 1960-02-25 A supplementary lens attachment for photographic, particularly cinematographic objectives

Country Status (1)

Country Link
GB (1) GB884693A (en)

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