Assertion: camera lens's length | /r/HasProperty | represented in millimeter
Facets:
value: usually
type: TEMPORAL
value: (mm)
type: OTHER
Source sentences:
text: The Focal length of a camera lens, usually represented in millimeters or mm, is a description of the lens, but is not a measurement of the actual length of the lens.
text: Focal length, usually represented in millimeters (mm), determines the lens angle of view (how much of the scene will be captured) and the magnification (how large individual elements will be).