GB271963A - Improvements in or relating to cameras and like optical projection devices - Google Patents

Improvements in or relating to cameras and like optical projection devices

Info

Publication number
GB271963A
GB271963A GB630626A GB630626A GB271963A GB 271963 A GB271963 A GB 271963A GB 630626 A GB630626 A GB 630626A GB 630626 A GB630626 A GB 630626A GB 271963 A GB271963 A GB 271963A
Authority
GB
United Kingdom
Prior art keywords
prisms
prism
optical projection
cameras
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
GB630626A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB630626A priority Critical patent/GB271963A/en
Publication of GB271963A publication Critical patent/GB271963A/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
    • G02B13/10—Anamorphotic objectives involving prisms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

271,963. Ponting, H. G., and Ford, G. W. March 6, 1926. Optical-projection systems.-Distorted pictures are produced by the addition of a prism or prisms to an ordinary optical projection apparatus or camera, the distortion being lineal in one direction and increased or decreased in relation to dimensions at right-angles thereto. In front of the lens 12 are mounted two narrow angle prisms 13, 14 carried in a frame rotatable in a sleeve 16. The angles of the prisms are of the order of 15‹ and 20‹, and the prism 13 is so mounted that the normal to its central plane is inclined to the optical axis at about 20‹. The other prism 14 is inclined as shown, so that its central plane is inclined to that of the prism 13 at an angle of slightly less than 90‹. Rotation of the prisms is effected by a worm-gear 21. The sleeve 16 may be tilted about the pivot 22. When two prisms are used they are made of glass having different refractive indices to maintain achromatism.
GB630626A 1926-03-06 1926-03-06 Improvements in or relating to cameras and like optical projection devices Expired GB271963A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB630626A GB271963A (en) 1926-03-06 1926-03-06 Improvements in or relating to cameras and like optical projection devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB630626A GB271963A (en) 1926-03-06 1926-03-06 Improvements in or relating to cameras and like optical projection devices

Publications (1)

Publication Number Publication Date
GB271963A true GB271963A (en) 1927-06-07

Family

ID=9812090

Family Applications (1)

Application Number Title Priority Date Filing Date
GB630626A Expired GB271963A (en) 1926-03-06 1926-03-06 Improvements in or relating to cameras and like optical projection devices

Country Status (1)

Country Link
GB (1) GB271963A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2798411A (en) * 1954-04-12 1957-07-09 Taylor Taylor & Hobson Ltd Two member anamorphotic prism systems having their operative planes at right angles and axial deviation directions parallel
US2866383A (en) * 1955-10-13 1958-12-30 Newcomer Prism type anamorphoser device
US5331622A (en) * 1991-05-28 1994-07-19 Applied Magnetics Corporation Compact optical head
US5568315A (en) * 1991-05-28 1996-10-22 Discovision Associates Optical beamsplitter
WO2009147223A2 (en) * 2008-06-07 2009-12-10 Leopold Kostal Gmbh & Co. Kg Camera arrangement for a motor vehicle

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2798411A (en) * 1954-04-12 1957-07-09 Taylor Taylor & Hobson Ltd Two member anamorphotic prism systems having their operative planes at right angles and axial deviation directions parallel
US2866383A (en) * 1955-10-13 1958-12-30 Newcomer Prism type anamorphoser device
US5331622A (en) * 1991-05-28 1994-07-19 Applied Magnetics Corporation Compact optical head
US5568315A (en) * 1991-05-28 1996-10-22 Discovision Associates Optical beamsplitter
US5646778A (en) * 1991-05-28 1997-07-08 Discovision Associates Optical beamsplitter
US5650874A (en) * 1991-05-28 1997-07-22 Discovision Associates Optical beamsplitter
US5657164A (en) * 1991-05-28 1997-08-12 Discovision Associates Optical beamsplitter
US5771122A (en) 1991-05-28 1998-06-23 Discovision Associates Optical beamsplitter
WO2009147223A2 (en) * 2008-06-07 2009-12-10 Leopold Kostal Gmbh & Co. Kg Camera arrangement for a motor vehicle
WO2009147223A3 (en) * 2008-06-07 2010-09-30 Leopold Kostal Gmbh & Co. Kg Camera arrangement for a motor vehicle

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