compound lens

English Thesaurus

1. a lens system consisting of two or more lenses on the same axis (noun.artifact)

hypernym	:	lens, lens system, lense,
definition	:	a transparent optical device used to converge or diverge transmitted light and to form images (noun.artifact)

hyponym	:	achromatic lens,
definition	:	a compound lens system that forms an image free from chromatic aberration (noun.artifact)