Assertion: shutter's speed | /r/ObjectUse | used for light painting
Facets:
value: for photographing fireworks
type: PURPOSE
value: for creating motion blur
type: PURPOSE
value: generally
type: DEGREE
Source sentences:
text: Shutter speeds of 1 second or more are generally used for low light situations such as night shots, for special effects such as light painting, for photographing fireworks, and for creating motion blur.