About: plano-convex lens

Premodifier: plano-convex
Head noun: lens

Same concepts
http://dbpedia.org/resource/Lens_(optics)

Broader concepts

label	provenance	confidence
positive lens	isap:167200907	0.676385
optical element	isap:5843448	0.529611
lens	isap:167200675	0.365085

Narrower concepts

label	provenance	confidence