lense(n = noun.artifact) lens, lens system - a transparent optical device used to converge or diverge transmitted light and to form images;
is a kind of optical device
is a part of optical instrument
has particulars: anastigmat, anastigmatic lens, camera lens, optical lens, compound lens, condenser, optical condenser, contact, contact lens, converging lens, convex lens, crown lens, concave lens, diverging lens, eyepiece, ocular, field lens, fresnel lens, intraocular lens, meniscus, eyeglass, monocle, object glass, object lens, objective, objective lens