Assertion: camera's exposure | /r/HasProperty | given
Facets:
Source sentences:
text: Radiant exposure of a surface, denoted H e ("e" for "energetic", to avoid confusion with photometric quantities) and measured in J/m2, is given by
text: Luminous exposure of a surface, denoted H v ("v" for "visual", to avoid confusion with radiometric quantities) and measured in lx⋅s, is given by