About: f lens

Premodifier: f
Head noun: lens

Same concepts

Broader concepts

label	provenance	confidence
optical element	isap:5843489	0.704337
optical system	isap:301601341	0.669138
optical means	isap:95787730	0.648891
lens	isap:167200831	0.429198

Narrower concepts

label	provenance	confidence