FR1516612A - High brightness varifocal lens - Google Patents

High brightness varifocal lens

Info

Publication number
FR1516612A
FR1516612A FR99757A FR99757A FR1516612A FR 1516612 A FR1516612 A FR 1516612A FR 99757 A FR99757 A FR 99757A FR 99757 A FR99757 A FR 99757A FR 1516612 A FR1516612 A FR 1516612A
Authority
FR
France
Prior art keywords
high brightness
varifocal lens
varifocal
lens
brightness
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
FR99757A
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.)
Jos Schneider Optische Werke GmbH
Original Assignee
Jos Schneider Optische Werke GmbH
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 Jos Schneider Optische Werke GmbH filed Critical Jos Schneider Optische Werke GmbH
Priority to FR99757A priority Critical patent/FR1516612A/en
Application granted granted Critical
Publication of FR1516612A publication Critical patent/FR1516612A/en
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
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/145—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only
    • G02B15/1451—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only the first group being positive
    • G02B15/145125—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having five groups only the first group being positive arranged +--++

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR99757A 1966-04-05 1967-03-22 High brightness varifocal lens Expired FR1516612A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR99757A FR1516612A (en) 1966-04-05 1967-03-22 High brightness varifocal lens

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DESC038786 1966-04-05
FR99757A FR1516612A (en) 1966-04-05 1967-03-22 High brightness varifocal lens

Publications (1)

Publication Number Publication Date
FR1516612A true FR1516612A (en) 1968-03-08

Family

ID=25993359

Family Applications (1)

Application Number Title Priority Date Filing Date
FR99757A Expired FR1516612A (en) 1966-04-05 1967-03-22 High brightness varifocal lens

Country Status (1)

Country Link
FR (1) FR1516612A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113703144A (en) * 2021-09-26 2021-11-26 江西凤凰光学科技有限公司 High-pixel large-target-surface lens

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113703144A (en) * 2021-09-26 2021-11-26 江西凤凰光学科技有限公司 High-pixel large-target-surface lens
CN113703144B (en) * 2021-09-26 2024-04-26 江西凤凰光学科技有限公司 High-pixel large-target-surface lens

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