FR1178444A - Perfectionnements aux télé-objectifs - Google Patents

Perfectionnements aux télé-objectifs

Info

Publication number
FR1178444A
FR1178444A FR1178444DA FR1178444A FR 1178444 A FR1178444 A FR 1178444A FR 1178444D A FR1178444D A FR 1178444DA FR 1178444 A FR1178444 A FR 1178444A
Authority
FR
France
Prior art keywords
telephoto lenses
telephoto
lenses
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
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.)
TAYLOR
Taylor Taylor and Hobson Ltd
Original Assignee
TAYLOR
Taylor Taylor and Hobson 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
Application filed by TAYLOR, Taylor Taylor and Hobson Ltd filed Critical TAYLOR
Application granted granted Critical
Publication of FR1178444A publication Critical patent/FR1178444A/fr
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
    • G02B13/02—Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Aerials With Secondary Devices (AREA)
FR1178444D 1956-03-06 1957-03-05 Perfectionnements aux télé-objectifs Expired FR1178444A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7003/56A GB796445A (en) 1956-03-06 1956-03-06 Improvements in or relating to telephoto objectives

Publications (1)

Publication Number Publication Date
FR1178444A true FR1178444A (fr) 1959-05-11

Family

ID=9824774

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1178444D Expired FR1178444A (fr) 1956-03-06 1957-03-05 Perfectionnements aux télé-objectifs

Country Status (4)

Country Link
US (1) US2832263A (fr)
DE (1) DE1085347B (fr)
FR (1) FR1178444A (fr)
GB (1) GB796445A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3088369A (en) * 1960-02-12 1963-05-07 Fred E Aufhauser Projection lens system
DE1156249B (de) * 1960-07-19 1963-10-24 Zeiss Carl Fa Photographisches Objektiv
JPS6032847B2 (ja) * 1977-01-20 1985-07-30 キヤノン株式会社 望遠レンズ
JPH0795142B2 (ja) * 1987-06-05 1995-10-11 三菱電機株式会社 アポクロマ−トレンズ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1156743A (en) * 1915-01-25 1915-10-12 Lionel Barton Booth Objective for photographic and like purposes.
US2239538A (en) * 1939-03-30 1941-04-22 Zeiss Carl Fa Photographic teleobjective
US2390387A (en) * 1944-01-31 1945-12-04 Bausch & Lomb Telephoto objective
GB587761A (en) * 1945-01-16 1947-05-05 Taylor Taylor & Hobson Ltd Improvements in or relating to optical objectives of the telephoto type
US2421927A (en) * 1945-01-16 1947-06-10 Taylor Taylor & Hobson Ltd Optical objective of the telephoto type
US2514591A (en) * 1946-09-02 1950-07-11 Meopta Cons Factories For Fine Photographic teleobjective
US2631497A (en) * 1952-02-21 1953-03-17 Harry J Graw Telephoto objective

Also Published As

Publication number Publication date
GB796445A (en) 1958-06-11
DE1085347B (de) 1960-07-14
US2832263A (en) 1958-04-29

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