HK24481A - Improvements in and relating to optical systems - Google Patents

Improvements in and relating to optical systems

Info

Publication number
HK24481A
HK24481A HK244/81A HK24481A HK24481A HK 24481 A HK24481 A HK 24481A HK 244/81 A HK244/81 A HK 244/81A HK 24481 A HK24481 A HK 24481A HK 24481 A HK24481 A HK 24481A
Authority
HK
Hong Kong
Prior art keywords
relating
optical systems
optical
systems
Prior art date
Application number
HK244/81A
Other languages
English (en)
Inventor
N Gottlieb
Original Assignee
American Optical Corp
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 American Optical Corp filed Critical American Optical Corp
Publication of HK24481A publication Critical patent/HK24481A/xx

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
HK244/81A 1976-07-16 1981-06-04 Improvements in and relating to optical systems HK24481A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/705,852 US4043641A (en) 1976-07-16 1976-07-16 Three-lens system providing a variable focal power along one principal meridian

Publications (1)

Publication Number Publication Date
HK24481A true HK24481A (en) 1981-06-12

Family

ID=24835223

Family Applications (1)

Application Number Title Priority Date Filing Date
HK244/81A HK24481A (en) 1976-07-16 1981-06-04 Improvements in and relating to optical systems

Country Status (9)

Country Link
US (1) US4043641A (de)
JP (1) JPS5312344A (de)
AT (1) AT350809B (de)
CA (1) CA1073717A (de)
CH (1) CH617019A5 (de)
DE (1) DE2724237C2 (de)
FR (1) FR2358670A1 (de)
GB (1) GB1578544A (de)
HK (1) HK24481A (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2466785A1 (fr) * 1979-09-28 1981-04-10 Philips Nv Objectif a focale variable suivant de grands rapports comportant des surfaces aspheriques
US4367015A (en) * 1980-10-30 1983-01-04 Warner Lambert Technologies, Inc. Control means for optical instrumentation
JPS59182625A (ja) * 1983-03-31 1984-10-17 Nippon Denso Co Ltd アナログスイツチ回路
JPS63273806A (ja) * 1987-05-01 1988-11-10 Semiconductor Energy Lab Co Ltd レ−ザ加工用対物レンズ
EP0694177B1 (de) * 1991-10-07 1998-08-19 Quantum Optical Devices Bild-Drehvorrichtung.
US5430575A (en) * 1991-10-07 1995-07-04 Quantum Optical Devices, Ltd. Image rotation device
KR950006484A (ko) * 1993-08-06 1995-03-21 이대원 촬영렌즈를 이용한 광학시스템
JP2000039584A (ja) * 1998-07-23 2000-02-08 Fuji Photo Optical Co Ltd プロジェクタ装置
US10663700B2 (en) * 2018-01-30 2020-05-26 Coherent, Inc. Achromatic astigmatic anamorphic objective

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB416074A (en) * 1933-03-08 1934-09-10 George William Ford Improvements in or relating to anamorphotic optical systems
US3576357A (en) * 1969-04-24 1971-04-27 Singer General Precision Envelope expansion optics for visual systems with perspective alteration means

Also Published As

Publication number Publication date
JPS5312344A (en) 1978-02-03
US4043641A (en) 1977-08-23
DE2724237A1 (de) 1978-01-26
CA1073717A (en) 1980-03-18
FR2358670B1 (de) 1980-05-09
JPS6143685B2 (de) 1986-09-29
AT350809B (de) 1979-06-25
GB1578544A (en) 1980-11-05
FR2358670A1 (fr) 1978-02-10
DE2724237C2 (de) 1986-09-18
ATA408077A (de) 1978-11-15
CH617019A5 (de) 1980-04-30

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