FR1374784A - Improvements to varifocal optical lenses - Google Patents

Improvements to varifocal optical lenses

Info

Publication number
FR1374784A
FR1374784A FR953794A FR953794A FR1374784A FR 1374784 A FR1374784 A FR 1374784A FR 953794 A FR953794 A FR 953794A FR 953794 A FR953794 A FR 953794A FR 1374784 A FR1374784 A FR 1374784A
Authority
FR
France
Prior art keywords
optical lenses
varifocal optical
varifocal
lenses
optical
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
FR953794A
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 FR953794A priority Critical patent/FR1374784A/en
Application granted granted Critical
Publication of FR1374784A publication Critical patent/FR1374784A/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)
FR953794A 1963-11-14 1963-11-14 Improvements to varifocal optical lenses Expired FR1374784A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR953794A FR1374784A (en) 1963-11-14 1963-11-14 Improvements to varifocal optical lenses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR953794A FR1374784A (en) 1963-11-14 1963-11-14 Improvements to varifocal optical lenses

Publications (1)

Publication Number Publication Date
FR1374784A true FR1374784A (en) 1964-10-09

Family

ID=8816590

Family Applications (1)

Application Number Title Priority Date Filing Date
FR953794A Expired FR1374784A (en) 1963-11-14 1963-11-14 Improvements to varifocal optical lenses

Country Status (1)

Country Link
FR (1) FR1374784A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2745095A1 (en) * 1996-02-16 1997-08-22 Fuji Photo Optical Co Ltd OBJECTIVE ZOOM WITH INTERNAL FOCUS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2745095A1 (en) * 1996-02-16 1997-08-22 Fuji Photo Optical Co Ltd OBJECTIVE ZOOM WITH INTERNAL FOCUS

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