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Defined by 
        QUDT Units of Measure for All Units Release 2.1.25
       
        unit:
      
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unit:DIOPTER
    
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http://qudt.org/vocab/unit/DIOPTER

Namespace

http://qudt.org/vocab/unit/

Recommended prefix

lang:en

Diopter

dcterms: description

lang:""

A dioptre, or diopter, is a unit of measurement for the optical power of a lens or curved mirror, which is equal to the reciprocal of the focal length measured in metres (that is, \(1/metre\)). For example, a \(3 \; dioptre\) lens brings parallel rays of light to focus at \(1/3\,metre\). The same unit is also sometimes used for other reciprocals of distance, particularly radii of curvature and the vergence of optical beams. Though the diopter is based on the SI-metric system it has not been included in the standard so that there is no international name or abbreviation for this unit of measurement within the international system of units this unit for optical power would need to be specified explicitly as the inverse metre.

qudt: conversionMultiplier

lang:""

1.0

qudt: dbpediaMatch

lang:""

http://dbpedia.org/resource/Dioptre

qudt: hasDimensionVector

qkdv:A0E0L-1I0M0H0T0D0

qudt: hasQuantityKind

quantitykind:Curvature

qudt: informativeReference

lang:""