FR592171A - Lunette terrestre à grossissement variable de façon continue - Google Patents

Lunette terrestre à grossissement variable de façon continue

Info

Publication number
FR592171A
FR592171A FR592171DA FR592171A FR 592171 A FR592171 A FR 592171A FR 592171D A FR592171D A FR 592171DA FR 592171 A FR592171 A FR 592171A
Authority
FR
France
Prior art keywords
continuously variable
variable magnification
spotting scope
spotting
scope
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.)
Societe des Etablissements Gaumont
Original Assignee
Societe des Etablissements Gaumont
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 Societe des Etablissements Gaumont filed Critical Societe des Etablissements Gaumont
Application granted granted Critical
Publication of FR592171A publication Critical patent/FR592171A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective
    • G02B15/04—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR592171D 1924-03-22 1924-03-22 Lunette terrestre à grossissement variable de façon continue Expired FR592171A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR592171T 1924-03-22

Publications (1)

Publication Number Publication Date
FR592171A true FR592171A (fr) 1925-07-28

Family

ID=8964618

Family Applications (1)

Application Number Title Priority Date Filing Date
FR592171D Expired FR592171A (fr) 1924-03-22 1924-03-22 Lunette terrestre à grossissement variable de façon continue

Country Status (1)

Country Link
FR (1) FR592171A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2472739A (en) * 1945-10-26 1949-06-07 Keuffel & Esser Co Sealed adjustable eyepiece for optical instruments
DE1109398B (de) * 1958-11-22 1961-06-22 Hertel & Reuss Teleskop mit veraenderbarer Vergroesserung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2472739A (en) * 1945-10-26 1949-06-07 Keuffel & Esser Co Sealed adjustable eyepiece for optical instruments
DE1109398B (de) * 1958-11-22 1961-06-22 Hertel & Reuss Teleskop mit veraenderbarer Vergroesserung

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