About: aspherical lens

Premodifier: aspherical
Head noun: lens

Same concepts
http://dbpedia.org/resource/Aspheric_lens

Broader concepts

label	provenance	confidence
optical element	isap:5843473	0.729882
type of lens	isap:168117471	0.627231
lens	isap:167200651	0.594694
element	isap:5843506	0.505999
method	isap:310163302	0.178793

Narrower concepts

label	provenance	confidence