Assertion: nd filter | /r/HasProperty | available
Facets:
value: more recently
type: TEMPORAL
value: as variable-density filters
type: MANNER
Source sentences:
text: Most commonly broken down in 1/3, 2/3 and full-stop increments, ND filters are more recently also available as variable-density filters that you can infinitely adjust by rotating the filter on its mount as you would a Polarizing filter.