AU2629888A - Portable monocular with high magnification - Google Patents

Portable monocular with high magnification

Info

Publication number
AU2629888A
AU2629888A AU26298/88A AU2629888A AU2629888A AU 2629888 A AU2629888 A AU 2629888A AU 26298/88 A AU26298/88 A AU 26298/88A AU 2629888 A AU2629888 A AU 2629888A AU 2629888 A AU2629888 A AU 2629888A
Authority
AU
Australia
Prior art keywords
high magnification
lens
monocular
eyepiece
distance
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.)
Abandoned
Application number
AU26298/88A
Inventor
Alexandre Moracchini
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU2629888A publication Critical patent/AU2629888A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B25/00—Eyepieces; Magnifying glasses
    • G02B25/002—Magnifying glasses
    • G02B25/008—Magnifying glasses comprising two or more lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Electromechanical Clocks (AREA)
  • Glass Compositions (AREA)
  • Pens And Brushes (AREA)
  • Telescopes (AREA)
  • Materials For Medical Uses (AREA)
  • Burglar Alarm Systems (AREA)
  • Push-Button Switches (AREA)

Abstract

A monocular comprises an elongated body in two parts (2, 3) at one end of which is fixed an eyepiece (1). At its other end, said body encloses two biconvex lenses (4, 4') of equal power arranged in grooves (5, 5'). The ratio of the distance (A) between the first lens (4) and the second lens (4') and the distance (B) between the second lens (4') and the eyepiece (1) is approximately 1/4. The device, which provides a high magnification, is particularly applicable to the observation of insects in agriculture.
AU26298/88A 1987-11-09 1988-11-07 Portable monocular with high magnification Abandoned AU2629888A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8715500 1987-11-09
FR8715500A FR2622982B1 (en) 1987-11-09 1987-11-09 PORTABLE MONOCULAR

Publications (1)

Publication Number Publication Date
AU2629888A true AU2629888A (en) 1989-06-01

Family

ID=9356621

Family Applications (1)

Application Number Title Priority Date Filing Date
AU26298/88A Abandoned AU2629888A (en) 1987-11-09 1988-11-07 Portable monocular with high magnification

Country Status (6)

Country Link
EP (1) EP0345312B1 (en)
AT (1) ATE89083T1 (en)
AU (1) AU2629888A (en)
DE (1) DE3880826T2 (en)
FR (1) FR2622982B1 (en)
WO (1) WO1989004503A1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE445690C (en) * 1925-07-26 1927-06-13 Voigtlaender & Sohn Akt Ges Focusing magnifier, especially for photographic purposes
FR2539515B1 (en) * 1983-01-18 1986-04-18 Nathan Jeux VERSATILE EYEPIECE FOR EYEGLASS AND EYEGLASS PROVIDED WITH SUCH EYEPIECE

Also Published As

Publication number Publication date
DE3880826D1 (en) 1993-06-09
FR2622982A1 (en) 1989-05-12
WO1989004503A1 (en) 1989-05-18
EP0345312A1 (en) 1989-12-13
ATE89083T1 (en) 1993-05-15
FR2622982B1 (en) 1990-07-27
EP0345312B1 (en) 1993-05-05
DE3880826T2 (en) 1994-06-01

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