FR1374785A - Improvements to varifocal lenses - Google Patents

Improvements to varifocal lenses

Info

Publication number
FR1374785A
FR1374785A FR953795A FR953795A FR1374785A FR 1374785 A FR1374785 A FR 1374785A FR 953795 A FR953795 A FR 953795A FR 953795 A FR953795 A FR 953795A FR 1374785 A FR1374785 A FR 1374785A
Authority
FR
France
Prior art keywords
varifocal lenses
varifocal
lenses
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
FR953795A
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.)
Rank Precision Industries Ltd
Original Assignee
Rank Precision Industries Ltd
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 Rank Precision Industries Ltd filed Critical Rank Precision Industries Ltd
Priority to FR953795A priority Critical patent/FR1374785A/en
Application granted granted Critical
Publication of FR1374785A publication Critical patent/FR1374785A/en
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
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR953795A 1963-11-14 1963-11-14 Improvements to varifocal lenses Expired FR1374785A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR953795A FR1374785A (en) 1963-11-14 1963-11-14 Improvements to varifocal lenses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR953795A FR1374785A (en) 1963-11-14 1963-11-14 Improvements to varifocal lenses

Publications (1)

Publication Number Publication Date
FR1374785A true FR1374785A (en) 1964-10-09

Family

ID=8816591

Family Applications (1)

Application Number Title Priority Date Filing Date
FR953795A Expired FR1374785A (en) 1963-11-14 1963-11-14 Improvements to varifocal lenses

Country Status (1)

Country Link
FR (1) FR1374785A (en)

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