Assertion: shutter curtain | /r/CapableOf | run across the film plane
Facets:
value: horizontally
type: MANNER
Source sentences:
text: The traditional type of focal-plane shutter in 35 mm cameras, pioneered by Leitz for use in its Leica cameras, uses two shutter curtains, made of opaque rubberized fabric, that run horizontally across the film plane.