Engelsk navneord: diopter | |||
1. | diopter (om mængde el. mål) a unit of measurement of the refractive power of a lens which is equal to the reciprocal of the focal length measured in meters; used by oculists | ||
Termer med samme betydning (synonymer) | dioptre | ||
Mindre specifikke termer | unit, unit of measurement | ||