GB201603573D0 - Anamorphic objective zoom lens - Google Patents

Anamorphic objective zoom lens

Info

Publication number
GB201603573D0
GB201603573D0 GBGB1603573.5A GB201603573A GB201603573D0 GB 201603573 D0 GB201603573 D0 GB 201603573D0 GB 201603573 A GB201603573 A GB 201603573A GB 201603573 D0 GB201603573 D0 GB 201603573D0
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.)
Granted
Application number
GBGB1603573.5A
Other versions
GB2543589A (en
GB2543589B (en
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 true GB201603573D0 (en) 2016-04-13
GB2543589A GB2543589A (en) 2017-04-26
GB2543589B 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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112764298A (en) * 2021-01-31 2021-05-07 迪擎光电(台州)有限责任公司 Projection lens system

Family Cites Families (6)

* 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
US8199061B2 (en) * 2009-08-31 2012-06-12 Asc Signal Corporation Thermal compensating subreflector tracking assembly and method of use
US9239449B2 (en) * 2013-04-04 2016-01-19 Cooke Optics Ltd. Anamorphic objective zoom lens
US9841538B2 (en) * 2013-04-04 2017-12-12 Cooke Optics Ltd. Anamorphic objective zoom lens
GB2528738B (en) * 2015-04-10 2019-07-10 Cooke Optics Ltd Anamorphic objective zoom lens

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112764298A (en) * 2021-01-31 2021-05-07 迪擎光电(台州)有限责任公司 Projection lens system

Also Published As

Publication number Publication date
GB2543589A (en) 2017-04-26
GB2543589B (en) 2018-02-21

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