FR940402A - Objectif photographique - Google Patents

Objectif photographique

Info

Publication number
FR940402A
FR940402A FR940402DA FR940402A FR 940402 A FR940402 A FR 940402A FR 940402D A FR940402D A FR 940402DA FR 940402 A FR940402 A FR 940402A
Authority
FR
France
Prior art keywords
photographic lens
photographic
lens
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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe 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 Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR940402A publication Critical patent/FR940402A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
FR940402D 1942-05-11 1947-02-07 Objectif photographique Expired FR940402A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US442422A US2346061A (en) 1942-05-11 1942-05-11 Photographic objective

Publications (1)

Publication Number Publication Date
FR940402A true FR940402A (fr) 1948-12-13

Family

ID=23756745

Family Applications (1)

Application Number Title Priority Date Filing Date
FR940402D Expired FR940402A (fr) 1942-05-11 1947-02-07 Objectif photographique

Country Status (2)

Country Link
US (1) US2346061A (fr)
FR (1) FR940402A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2559836A (en) * 1949-12-21 1951-07-10 Eastman Kodak Co High aperture corrected photographic objective comprising five components in axial alignment
US2604013A (en) * 1951-08-08 1952-07-22 Eastman Kodak Co Ultrahigh-aperture five component objectives
US2861500A (en) * 1955-11-14 1958-11-25 Farrand Optical Co Inc Objective lens of extremely high relative aperture
US2949821A (en) * 1958-04-25 1960-08-23 Bausch & Lomb Objective lens
JPS512369B1 (fr) * 1971-04-09 1976-01-26
US7154683B1 (en) 2005-07-06 2006-12-26 Brian E Volk Five-element optical device
CN109581637B (zh) * 2017-09-29 2021-05-07 信泰光学(深圳)有限公司 成像镜头

Also Published As

Publication number Publication date
US2346061A (en) 1944-04-04

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