Assertion: focal plane shutter | /r/CapableOf | wipe the exposure
Facets:
value: fairly slowly
type: MANNER
value: under the highest available spring tension
type: OTHER
Source sentences:
text: However, these older focal-plane shutters wiped the exposure fairly slowly, even under the highest available spring tension, because the delicate curtain was too fragile to survive the necessary accelerative shocks to move faster.