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GB349507A - Improvements in or relating to anamorphosing objectives - Google Patents

Improvements in or relating to anamorphosing objectives

Info

Publication number
GB349507A
GB349507A GB6301/30A GB630130A GB349507A GB 349507 A GB349507 A GB 349507A GB 6301/30 A GB6301/30 A GB 6301/30A GB 630130 A GB630130 A GB 630130A GB 349507 A GB349507 A GB 349507A
Authority
GB
United Kingdom
Prior art keywords
members
lenses
anamorphosing
objectives
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
GB6301/30A
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.)
HARRY SIDNEY NEWCOMER
Original Assignee
HARRY SIDNEY NEWCOMER
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 HARRY SIDNEY NEWCOMER filed Critical HARRY SIDNEY NEWCOMER
Publication of GB349507A publication Critical patent/GB349507A/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
    • G02B13/08—Anamorphotic objectives

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)

Abstract

349,507. Lenses. NEWCOMER, H. S., 410, East 57th Street, New York, U.S.A. Feb. 25, 1930, No. 6301. Convention date, March 2, 1929. [Class 97 (i).] An anamorphotic afocal objective comprises positive and negative members having cylindrical surfaces. The focal surfaces of the two members are of substantially the same curvature, whereby the astigmatism of the lenses is neutralized. The individual members may be cemented doublets 21, 22 corrected for chromatic and spherical aberrations. While producing a null convergence, the magnification in one plane differs from unity. The principles upon which the invention is based are set out at length in the Specification, together with numerical data of two examples.
GB6301/30A 1929-03-02 1930-02-25 Improvements in or relating to anamorphosing objectives Expired GB349507A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US349507XA 1929-03-02 1929-03-02

Publications (1)

Publication Number Publication Date
GB349507A true GB349507A (en) 1931-05-26

Family

ID=21879662

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6301/30A Expired GB349507A (en) 1929-03-02 1930-02-25 Improvements in or relating to anamorphosing objectives

Country Status (1)

Country Link
GB (1) GB349507A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3644037A (en) * 1969-04-28 1972-02-22 Ck Optical Co Inc Anamorphic lens systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3644037A (en) * 1969-04-28 1972-02-22 Ck Optical Co Inc Anamorphic lens systems

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