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

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00Optical objectives with means for varying the magnification
    • G02B15/14Optical 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
    • G02B15/145Optical 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
    • G02B15/1451Optical 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
    • G02B15/145125Optical 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

Similar Documents

Publication Publication Date Title
CH437845A (en) Photographic telephoto lens
CH381878A (en) Vari-focal lens
AT245821B (en) Lens with variable focal length
AT248140B (en) Optical system with continuously variable focal length
CH481390A (en) Vari-focal lens
CH452220A (en) Fast lens with adjustable focal length
FR1487806A (en) Improvements to varifocal optical lenses
FR1516612A (en) High brightness varifocal lens
FR1473070A (en) High brightness varifocal lens
FR1308216A (en) High brightness varifocal lens
CH400604A (en) Fast lens with variable focal length
FR1520489A (en) Variable focal length lens
FR1434747A (en) Photographic lens with variable focal length
FR1407593A (en) High brightness varifocal lens
FR1428184A (en) Photographic lens, seven lenses
CH482207A (en) Variable focal length lens
FR1501847A (en) High definition telephoto lens
FR1509383A (en) Photographic lens
FR1363557A (en) High brightness varifocal lens
FR1377796A (en) Cinematographic camera with incorporated photometer
FR1357790A (en) High brightness varifocal lens
FR1403997A (en) High brightness lens
FR90544E (en) High brightness varifocal lens
FR86076E (en) High brightness varifocal lens
FR1334463A (en) High brightness varifocal lens