Assertion: telephoto lens's length | /r/HasProperty | specified in millimetre
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Focal lengths are usually specified in millimetres (mm), but older lenses might be marked in centimetres (cm) or inches.
text: Focal lengths are usually specified in millimetres (mm), but older lenses might be marked in centimetres (cm) or inches.