GB604883A - Improvements relating to optical lenses - Google Patents

Improvements relating to optical lenses

Info

Publication number
GB604883A
GB604883A GB3317945A GB3317945A GB604883A GB 604883 A GB604883 A GB 604883A GB 3317945 A GB3317945 A GB 3317945A GB 3317945 A GB3317945 A GB 3317945A GB 604883 A GB604883 A GB 604883A
Authority
GB
United Kingdom
Prior art keywords
meniscus
lens
lenses
optical lenses
improvements relating
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
GB3317945A
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.)
WRAY OPTICAL WORKS Ltd
Original Assignee
WRAY OPTICAL WORKS 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 WRAY OPTICAL WORKS Ltd filed Critical WRAY OPTICAL WORKS Ltd
Priority to GB3317945A priority Critical patent/GB604883A/en
Publication of GB604883A publication Critical patent/GB604883A/en
Expired legal-status Critical Current

Links

Classifications

    • 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)

Abstract

604,883. Lenses. WRAY (OPTICAL WORKS), Ltd., and WYNNE, C. G. Dec. 7, 1945, No. 33179. [Class 97 (i)] In a lens comprising a dispersive compound meniscus member III concave to the aperture stop and placed between two collective members that are the front convex side of the meniscus consists of two or more collective components, the component II nearest the meniscus being of meniscus form and the outermost component I being biconvex. Data or an example of such a lens are given and also for a lens having three front positive components and comprising a plano convex lens placed between lenses I, II with plane face facing the meniscus.
GB3317945A 1945-12-07 1945-12-07 Improvements relating to optical lenses Expired GB604883A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3317945A GB604883A (en) 1945-12-07 1945-12-07 Improvements relating to optical lenses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3317945A GB604883A (en) 1945-12-07 1945-12-07 Improvements relating to optical lenses

Publications (1)

Publication Number Publication Date
GB604883A true GB604883A (en) 1948-07-12

Family

ID=10349580

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3317945A Expired GB604883A (en) 1945-12-07 1945-12-07 Improvements relating to optical lenses

Country Status (1)

Country Link
GB (1) GB604883A (en)

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