FR923401A - Improvements to optical lens systems - Google Patents

Improvements to optical lens systems

Info

Publication number
FR923401A
FR923401A FR923401DA FR923401A FR 923401 A FR923401 A FR 923401A FR 923401D A FR923401D A FR 923401DA FR 923401 A FR923401 A FR 923401A
Authority
FR
France
Prior art keywords
optical lens
lens systems
systems
optical
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
French (fr)
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.)
Polaroid Corp
International Polaroid Corp
Original Assignee
Polaroid Corp
International Polaroid Corp
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 Polaroid Corp, International Polaroid Corp filed Critical Polaroid Corp
Application granted granted Critical
Publication of FR923401A publication Critical patent/FR923401A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR923401D 1946-03-05 1946-03-05 Improvements to optical lens systems Expired FR923401A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR923401T 1946-03-05

Publications (1)

Publication Number Publication Date
FR923401A true FR923401A (en) 1947-07-07

Family

ID=9438695

Family Applications (1)

Application Number Title Priority Date Filing Date
FR923401D Expired FR923401A (en) 1946-03-05 1946-03-05 Improvements to optical lens systems

Country Status (1)

Country Link
FR (1) FR923401A (en)

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