GB2543589B - Anamorphic objective zoom lens - Google Patents

Anamorphic objective zoom lens

Info

Publication number
GB2543589B
GB2543589B GB1603573.5A GB201603573A GB2543589B GB 2543589 B GB2543589 B GB 2543589B GB 201603573 A GB201603573 A GB 201603573A GB 2543589 B GB2543589 B GB 2543589B
Authority
GB
United Kingdom
Prior art keywords
zoom lens
anamorphic objective
objective zoom
anamorphic
lens
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.)
Active
Application number
GB1603573.5A
Other versions
GB201603573D0 (en
GB2543589A (en
Inventor
Alexander Neil Iain
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.)
Cooke Optics Ltd
Original Assignee
Cooke Optics 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
Priority claimed from US14/969,622 external-priority patent/US9841538B2/en
Application filed by Cooke Optics Ltd filed Critical Cooke Optics Ltd
Publication of GB201603573D0 publication Critical patent/GB201603573D0/en
Publication of GB2543589A publication Critical patent/GB2543589A/en
Application granted granted Critical
Publication of GB2543589B publication Critical patent/GB2543589B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/145—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only
    • G02B15/1455—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only the first group being negative
    • 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)
GB1603573.5A 2015-12-15 2016-03-01 Anamorphic objective zoom lens Active GB2543589B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14/969,622 US9841538B2 (en) 2013-04-04 2015-12-15 Anamorphic objective zoom lens

Publications (3)

Publication Number Publication Date
GB201603573D0 GB201603573D0 (en) 2016-04-13
GB2543589A GB2543589A (en) 2017-04-26
GB2543589B true GB2543589B (en) 2018-02-21

Family

ID=55807145

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1603573.5A Active GB2543589B (en) 2015-12-15 2016-03-01 Anamorphic objective zoom lens

Country Status (1)

Country Link
GB (1) GB2543589B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112764298B (en) * 2021-01-31 2022-10-11 迪擎光电(台州)有限责任公司 Projection lens system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2473126A (en) * 2009-08-31 2011-03-02 Asc Signal Corp Sub-reflector tracking assembly and a mothod of its use
US20150212301A1 (en) * 2013-04-04 2015-07-30 Cooke Optics Ltd. Anamorphic objective zoom lens
GB2528738A (en) * 2015-04-10 2016-02-03 Cooke Optics Ltd Anamorphic objective zoom lens
US20160103302A1 (en) * 2013-04-04 2016-04-14 Cooke Optics Ltd. Anamorphic objective zoom lens

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US103302A (en) * 1870-05-24 Improvement in weather-strips for doors
US212301A (en) * 1879-02-18 Improvement in fire-tube steam-boilers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2473126A (en) * 2009-08-31 2011-03-02 Asc Signal Corp Sub-reflector tracking assembly and a mothod of its use
US20150212301A1 (en) * 2013-04-04 2015-07-30 Cooke Optics Ltd. Anamorphic objective zoom lens
US20160103302A1 (en) * 2013-04-04 2016-04-14 Cooke Optics Ltd. Anamorphic objective zoom lens
GB2528738A (en) * 2015-04-10 2016-02-03 Cooke Optics Ltd Anamorphic objective zoom lens

Also Published As

Publication number Publication date
GB201603573D0 (en) 2016-04-13
GB2543589A (en) 2017-04-26

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