FR923916A - Perfectionnements aux montages de lentilles - Google Patents

Perfectionnements aux montages de lentilles

Info

Publication number
FR923916A
FR923916A FR923916DA FR923916A FR 923916 A FR923916 A FR 923916A FR 923916D A FR923916D A FR 923916DA FR 923916 A FR923916 A FR 923916A
Authority
FR
France
Prior art keywords
lens assemblies
assemblies
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.)
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 FR923916A publication Critical patent/FR923916A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/026—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR923916D 1946-03-16 1946-03-16 Perfectionnements aux montages de lentilles Expired FR923916A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR923916T 1946-03-16

Publications (1)

Publication Number Publication Date
FR923916A true FR923916A (fr) 1947-07-22

Family

ID=9439030

Family Applications (1)

Application Number Title Priority Date Filing Date
FR923916D Expired FR923916A (fr) 1946-03-16 1946-03-16 Perfectionnements aux montages de lentilles

Country Status (1)

Country Link
FR (1) FR923916A (fr)

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