FR1140731A - Téléobjectif photographique - Google Patents

Téléobjectif photographique

Info

Publication number
FR1140731A
FR1140731A FR1140731DA FR1140731A FR 1140731 A FR1140731 A FR 1140731A FR 1140731D A FR1140731D A FR 1140731DA FR 1140731 A FR1140731 A FR 1140731A
Authority
FR
France
Prior art keywords
telephoto lens
photographic
photographic telephoto
lens
telephoto
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.)
Voigtlander AG
Original Assignee
Voigtlander AG
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 Voigtlander AG filed Critical Voigtlander AG
Application granted granted Critical
Publication of FR1140731A publication Critical patent/FR1140731A/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
FR1140731D 1955-02-02 1956-02-02 Téléobjectif photographique Expired FR1140731A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEV8414A DE1051529B (de) 1955-02-02 1955-02-02 Photographisches Tele-Objektiv

Publications (1)

Publication Number Publication Date
FR1140731A true FR1140731A (fr) 1957-08-12

Family

ID=7572269

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1140731D Expired FR1140731A (fr) 1955-02-02 1956-02-02 Téléobjectif photographique

Country Status (4)

Country Link
US (1) US2810322A (fr)
CH (1) CH339394A (fr)
DE (1) DE1051529B (fr)
FR (1) FR1140731A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1156249B (de) * 1960-07-19 1963-10-24 Zeiss Carl Fa Photographisches Objektiv
US3247764A (en) * 1962-12-07 1966-04-26 Bausch & Lomb Telephoto type optical system composed of two achromatic doublets of opposite sign
US3647281A (en) * 1969-08-27 1972-03-07 Olympus Optical Co Telephotographic objective having six lenses forming four lens groups
JP3517854B2 (ja) * 1995-08-17 2004-04-12 株式会社ニコン 中望遠レンズ
TWI613480B (zh) 2017-02-08 2018-02-01 大立光電股份有限公司 光學取像鏡片系統、取像裝置及電子裝置
TWI629503B (zh) 2017-06-14 2018-07-11 大立光電股份有限公司 影像擷取鏡片系統組、取像裝置及電子裝置

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.
US1485515A (en) * 1921-08-13 1924-03-04 Zeiss Carl Fa Telephoto objective
US1467804A (en) * 1922-05-05 1923-09-11 Zeiss Carl Telephoto objective
US1573999A (en) * 1925-06-06 1926-02-23 Optische Anstalt Goerz Ag Teleobjective
US2380207A (en) * 1943-12-14 1945-07-10 Eastman Kodak Co Telephoto objective
US2390387A (en) * 1944-01-31 1945-12-04 Bausch & Lomb Telephoto objective
US2662446A (en) * 1951-12-13 1953-12-15 Voigtlaender Ag Photographic teleobjective having a composite positive front part axially spaced from a composite negative rear part

Also Published As

Publication number Publication date
CH339394A (de) 1959-06-30
US2810322A (en) 1957-10-22
DE1051529B (de) 1959-02-26

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