Assertion: astigmatism | /r/CapableOf | produce asymmetrical performance
Facets:
value: over the entire image area
type: OTHER
value: usually
type: TEMPORAL
Source sentences:
text: When a lens system is mis-assembled, astigmatism is severely affected, usually producing asymmetrical performance over the entire image area.
text: When a lens system is mis-assembled, astigmatism is severely affected, usually producing asymmetrical performance over the entire image area.