DE1032571B - Optisches System, das zur Erzeugung eines Bildes von kontinuierlich veraenderlicher Groesse eines in fester Entfernung von dem System befindlichen Gegenstandes dient - Google Patents

Optisches System, das zur Erzeugung eines Bildes von kontinuierlich veraenderlicher Groesse eines in fester Entfernung von dem System befindlichen Gegenstandes dient

Info

Publication number
DE1032571B
DE1032571B DEW6277A DEW0006277A DE1032571B DE 1032571 B DE1032571 B DE 1032571B DE W6277 A DEW6277 A DE W6277A DE W0006277 A DEW0006277 A DE W0006277A DE 1032571 B DE1032571 B DE 1032571B
Authority
DE
Germany
Prior art keywords
lenses
lens
movable
partial
coma
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.)
Pending
Application number
DEW6277A
Other languages
German (de)
English (en)
Inventor
Harold Horace Hopkins
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.)
W Watson and Sons Ltd
WATSON AND SONS Ltd W
Original Assignee
W Watson and Sons Ltd
WATSON AND SONS Ltd W
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 W Watson and Sons Ltd, WATSON AND SONS Ltd W filed Critical W Watson and Sons Ltd
Publication of DE1032571B publication Critical patent/DE1032571B/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G02B15/1451—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 positive
    • G02B15/145125—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 positive arranged +--++

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
DEW6277A 1950-07-18 1951-07-17 Optisches System, das zur Erzeugung eines Bildes von kontinuierlich veraenderlicher Groesse eines in fester Entfernung von dem System befindlichen Gegenstandes dient Pending DE1032571B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB17981/50A GB685945A (en) 1950-07-18 1950-07-18 Improvements in or relating to variable magnification optical systems

Publications (1)

Publication Number Publication Date
DE1032571B true DE1032571B (de) 1958-06-19

Family

ID=10104576

Family Applications (1)

Application Number Title Priority Date Filing Date
DEW6277A Pending DE1032571B (de) 1950-07-18 1951-07-17 Optisches System, das zur Erzeugung eines Bildes von kontinuierlich veraenderlicher Groesse eines in fester Entfernung von dem System befindlichen Gegenstandes dient

Country Status (4)

Country Link
US (1) US2663223A (en, 2012)
DE (1) DE1032571B (en, 2012)
GB (1) GB685945A (en, 2012)
NL (1) NL90813C (en, 2012)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1108935B (de) * 1959-09-29 1961-06-15 Rodenstock Optik G Optisches System mit veraenderlicher Brennweite
DE1294062B (de) * 1959-09-03 1969-04-30 Rank Precision Ind Ltd Pankratisches Objektiv

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB713024A (en) * 1951-10-05 1954-08-04 Watson W & Sons Ltd Improvements in or relating to variable magnification optical systems
US2720817A (en) * 1953-04-23 1955-10-18 Taylor Taylor & Hobson Ltd Control devices for variable focal length optical objectives
GB760588A (en) * 1953-10-09 1956-11-07 Watson W & Sons Ltd Improvements in or relating to variable magnification optical systems
US2782683A (en) * 1954-02-18 1957-02-26 Joseph B Walker Selective electrical lens adjusting machanisms for variable magnification systems
DE1074874B (de) * 1954-02-18 1960-02-04 Long Island N Y Frank Gerard Back Glen Cove (V St A) Objektiv mit veränderlicher Brennweite
FR1120271A (fr) * 1955-01-24 1956-07-03 Objectif à longueur focale variable
US2766658A (en) * 1955-05-20 1956-10-16 Schwesinger Gerhard Variable focal length focusing lens system and device therefor
US2908199A (en) * 1957-05-03 1959-10-13 Edward K Kaprelian Variable focal length lens system
US2940373A (en) * 1958-05-06 1960-06-14 Berg Mounting and operating means for zoom lenses for television and motion picture cameras
US3004471A (en) * 1958-06-06 1961-10-17 Taylor Taylor & Hobson Ltd Control devices for optical objectives of variable focal length
US3027805A (en) * 1958-10-22 1962-04-03 Canon Camera Co Zoom lens system
US3023673A (en) * 1958-12-12 1962-03-06 Bell & Howell Co Variable magnification afocal lens member
NL253793A (en, 2012) * 1959-07-14
DE1167555B (de) * 1959-11-25 1964-04-09 Kodak Ag Afokales Objektivvorsatzsystem mit veraenderlicher Vergroesserung
US3029700A (en) * 1959-11-25 1962-04-17 Eastman Kodak Co Variable magnification afocal lens converter
DE1183354B (de) * 1960-04-01 1964-12-10 Vockenhuber Karl Kamera, insbesondere Schmalfilmkamera
US3360326A (en) * 1965-02-24 1967-12-26 Isco Optische Werke Gmbh High-speed varifocal objective
US3591256A (en) * 1968-04-15 1971-07-06 Xerox Corp Variable magnification lens system
US3549250A (en) * 1968-04-29 1970-12-22 Axel Pantenburg Slide projector with continuously variable detail magnification
US3600066A (en) * 1969-06-02 1971-08-17 Xerox Corp Optical assembly with supplemental lens means
JPS5652291B2 (en, 2012) * 1973-02-13 1981-12-11
JPS5141354B2 (en, 2012) * 1973-02-24 1976-11-09
US4061419A (en) * 1976-03-03 1977-12-06 Xerox Corporation Variable magnification lens system
US4056308A (en) * 1976-03-03 1977-11-01 Xerox Corporation Variable focal length reflector lens system
WO1979000072A1 (en) * 1977-07-28 1979-02-22 D Pandres Ratio preserving control system
US4156933A (en) * 1977-07-28 1979-05-29 Pandres Dave Jr Ratio preserving control system
CH621414A5 (en, 2012) * 1977-11-15 1981-01-30 Gretag Ag
JPS578515A (en) * 1980-06-19 1982-01-16 Canon Inc Zoom lens
JPS6057335A (ja) * 1983-09-08 1985-04-03 Asahi Optical Co Ltd 複写機の変倍装置
JPS6076730A (ja) * 1983-10-03 1985-05-01 Asahi Optical Co Ltd 変倍複写機のズ−ムレンズ鏡筒
JP3723643B2 (ja) * 1996-08-12 2005-12-07 ペンタックス株式会社 高変倍ズームレンズ系
DE19837135C5 (de) * 1997-09-29 2016-09-22 Carl Zeiss Meditec Ag Afokales Zoomsystem

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2107305A (en) * 1934-03-02 1938-02-08 Dartmouth College Adjustable lens system
US2514239A (en) * 1948-07-02 1950-07-04 Watson W & Sons Ltd Variable magnification optical system
GB646409A (en) * 1948-07-02 1950-11-22 Watson W & Sons Ltd Improvements in or relating to variable magnification optical systems

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1790232A (en) * 1927-03-21 1931-01-27 Paramount Publix Corp Photographic apparatus
US1947669A (en) * 1931-09-28 1934-02-20 Bell & Howell Co Lens of variable equivalent focal length
US2235364A (en) * 1935-03-24 1941-03-18 Gramatzki Hugh John Afocal camera lens attachment
US2159394A (en) * 1936-06-09 1939-05-23 Paramount Productions Inc Variable equivalent focal length lens
US2165341A (en) * 1936-07-28 1939-07-11 Eastman Kodak Co Photographic objective
US2353565A (en) * 1943-11-04 1944-07-11 Isadore Nochlin And Sam Schwar Optical view finder
US2454686A (en) * 1946-07-30 1948-11-23 Frank G Back Varifocal lens for cameras
US2501219A (en) * 1947-11-03 1950-03-21 Watson W & Sons Ltd Variable magnification optical system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2107305A (en) * 1934-03-02 1938-02-08 Dartmouth College Adjustable lens system
US2514239A (en) * 1948-07-02 1950-07-04 Watson W & Sons Ltd Variable magnification optical system
GB646409A (en) * 1948-07-02 1950-11-22 Watson W & Sons Ltd Improvements in or relating to variable magnification optical systems

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1294062B (de) * 1959-09-03 1969-04-30 Rank Precision Ind Ltd Pankratisches Objektiv
DE1108935B (de) * 1959-09-29 1961-06-15 Rodenstock Optik G Optisches System mit veraenderlicher Brennweite

Also Published As

Publication number Publication date
US2663223A (en) 1953-12-22
GB685945A (en) 1953-01-14
NL90813C (en, 2012)

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