Assertion: spider's eye | /r/CapableOf | focus on object
Facets:
value: accurately
type: MANNER
value: at distances from approximately 2 centimetres
type: OTHER
Source sentences:
text: The main eyes focus accurately on an object at distances from approximately 2 centimetres (0.79 in) to infinity, and in practice can see up to about 75 centimetres (30 in).:53