GB1416580A - Anamorphic zoom lens - Google Patents

Anamorphic zoom lens

Info

Publication number
GB1416580A
GB1416580A GB4436973A GB4436973A GB1416580A GB 1416580 A GB1416580 A GB 1416580A GB 4436973 A GB4436973 A GB 4436973A GB 4436973 A GB4436973 A GB 4436973A GB 1416580 A GB1416580 A GB 1416580A
Authority
GB
United Kingdom
Prior art keywords
zoom lens
anamorphic zoom
anamorphic
lens
zoom
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
GB4436973A
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Publication of GB1416580A publication Critical patent/GB1416580A/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
    • G02B13/12—Anamorphotic objectives with variable magnification
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
GB4436973A 1972-09-22 1973-09-21 Anamorphic zoom lens Expired GB1416580A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9531072A JPS5239293B2 (en) 1972-09-22 1972-09-22

Publications (1)

Publication Number Publication Date
GB1416580A true GB1416580A (en) 1975-12-03

Family

ID=14134172

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4436973A Expired GB1416580A (en) 1972-09-22 1973-09-21 Anamorphic zoom lens

Country Status (4)

Country Link
JP (1) JPS5239293B2 (en)
DE (1) DE2347737A1 (en)
FR (1) FR2200536B1 (en)
GB (1) GB1416580A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54118244A (en) * 1978-03-04 1979-09-13 Asuka Kougaku Kenkiyuushiyo Kk One directional enlarging projecting lens
DE102007005168A1 (en) 2007-01-29 2008-07-31 Ruped Systems Gmbh Anastigmatic anamorphic lens for image processing, particularly of multidimensional images in spatially resolved spectroscopy, has high anamorphic factor, greater than value three and multiple lens subassemblies
JP5929478B2 (en) * 2011-06-17 2016-06-08 セイコーエプソン株式会社 Projection optical system and projector equipped with the same

Also Published As

Publication number Publication date
JPS4953450A (en) 1974-05-24
DE2347737A1 (en) 1974-04-04
FR2200536B1 (en) 1977-01-07
FR2200536A1 (en) 1974-04-19
JPS5239293B2 (en) 1977-10-04

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed