Assertion: lens's effect | /r/HasProperty | achieved in case
Facets:
value: by using an anamorphising attachment
type: MANNER
Source sentences:
text: Although in some cases the anamorphic effect is achieved by using an anamorphising attachment as a supplementary element on the front of a normal lens, most films shot in anamorphic formats use specially designed anamorphic lenses, such as the Hawk lenses made by Vantage Film or Panavision's anamorphic lenses.