About: extension tube

Premodifier: extension
Head noun: tube

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

Broader concepts

label	provenance	confidence
accessory	isap:289515447	0.587309
attachment	isap:188676442	0.535255
thing	isap:85559171	0.511477
product	isap:4379657	0.478871
component	isap:285726141	0.374738
different story	isap:94046372	0.322832
cheaper option	isap:305723075	0.319513
device	isap:302431407	0.270446
lens	isap:171729986	0.240448

Narrower concepts

label	provenance	confidence