Assertion: neutral density filter | /r/CapableOf | block light
Facets:
value: evenly
type: DEGREE
value: across the frame
type: LOCATION
value: in varying amounts
type: MANNER
Source sentences:
text: A neutral density filter is one that blocks light.
text: Neutral density filters are ones that block the light in varying amounts depending on the strength of the filter.
text: Neutral density filters block light evenly across the frame.
text: They block light so that you can get longer shutter speeds.