GB673358A - Improvements in wide-angle objectives - Google Patents

Improvements in wide-angle objectives

Info

Publication number
GB673358A
GB673358A GB30323/50A GB3032350A GB673358A GB 673358 A GB673358 A GB 673358A GB 30323/50 A GB30323/50 A GB 30323/50A GB 3032350 A GB3032350 A GB 3032350A GB 673358 A GB673358 A GB 673358A
Authority
GB
United Kingdom
Prior art keywords
lens
focal length
less
positive
radius
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
GB30323/50A
Other languages
English (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.)
Pierre Angenieux SA
Original Assignee
Pierre Angenieux SA
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 Pierre Angenieux SA filed Critical Pierre Angenieux SA
Publication of GB673358A publication Critical patent/GB673358A/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
    • G02B13/04—Reversed telephoto objectives

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
GB30323/50A 1950-02-17 1950-12-12 Improvements in wide-angle objectives Expired GB673358A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1013652T 1950-02-17
FR2696758X 1952-05-29

Publications (1)

Publication Number Publication Date
GB673358A true GB673358A (en) 1952-06-04

Family

ID=32299608

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30323/50A Expired GB673358A (en) 1950-02-17 1950-12-12 Improvements in wide-angle objectives

Country Status (3)

Country Link
US (1) US2696758A (fr)
FR (3) FR1013652A (fr)
GB (1) GB673358A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1102435B (de) * 1958-09-12 1961-03-16 Enna Werk Optik Apelt Fotografisches Weitwinkel-Objektiv mit extrem grosser Lichtstaerke
DE1278754B (de) * 1959-08-12 1968-09-26 Rank Precision Ind Ltd Weitwinkelobjektiv

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1040280B (de) * 1955-02-08 1958-10-02 Schneider Co Optische Werke Lichtstarkes photographisches oder kinematographisches Aufnahme-objektiv mit veraenderlicher Brennweite
DE1062028B (de) * 1955-02-19 1959-07-23 Enna Werk Optik Apelt Fotografisches Objektiv
FR1152789A (fr) * 1955-07-05 1958-02-25 Schneider Co Optische Werke Objectif grand angulaire utilisable sur les appareils photographiques ou cinématographiques
US2844997A (en) * 1955-12-06 1958-07-29 Zeiss Carl Photographic objective
US3040624A (en) * 1956-10-27 1962-06-26 Canon Camera Co Wide angle photographic objective
US3038379A (en) * 1958-03-15 1962-06-12 Schneider Co Optische Werke High-speed photographic or cinemato-graphic objective with wide image angle
US3023672A (en) * 1958-10-09 1962-03-06 Bell & Howell Co Wide angle objective
DE1209769B (de) * 1963-12-04 1966-01-27 Schneider Co Optische Werke Photographisches oder kinematographisches Objektiv grosser Lichtstaerke, insbesondere fuer die Zwecke der Projektion
DE1447270A1 (de) * 1964-05-30 1968-11-14 Josef Schneider & Co Photographisches oder kinematographisches Weitwinkelobjektiv mit langer bildseitiger Schnittweite
DE112014006410T5 (de) 2014-02-26 2016-12-08 Corning Incorporated Verfahren zum Tolerieren einer optischen Oberfläche unter Verwendung eines lokalen Pupillenbereichs
EP3140689B1 (fr) 2014-05-06 2021-12-22 Niazi, Zakariya Procédé de formation d'une image panoramique

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1863099A (en) * 1929-10-30 1932-06-14 Trans Lux Daylight Picture Projection system and projection lens system therefor
US1955590A (en) * 1930-07-12 1934-04-17 Kapella Ltd Lens
GB388215A (en) * 1932-02-27 1933-02-23 Horace William Lee Improvements in lenses
US2594020A (en) * 1949-06-25 1952-04-22 Elgeet Optical Company Inc Wide-angle photographic objective
US2548569A (en) * 1949-11-04 1951-04-10 Eastman Kodak Co Reversed telephoto objective having a high-index positive front lens element
US2649022A (en) * 1950-02-17 1953-08-18 Angenieux Pierre Wide-angle photographic objective lens assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1102435B (de) * 1958-09-12 1961-03-16 Enna Werk Optik Apelt Fotografisches Weitwinkel-Objektiv mit extrem grosser Lichtstaerke
DE1278754B (de) * 1959-08-12 1968-09-26 Rank Precision Ind Ltd Weitwinkelobjektiv

Also Published As

Publication number Publication date
FR1013652A (fr) 1952-08-01
FR62932E (fr) 1955-06-30
FR60430E (fr) 1954-11-02
US2696758A (en) 1954-12-14

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