Assertion: telephoto lens's length | /r/HasProperty | measured in millimeter
Facets:
value: generally
type: MANNER
value: on dslrs
type: LOCATION
value: usually
type: TEMPORAL
Source sentences:
text: A focal length is the distance between the middle of a lens and its focus and is usually measured in millimeters.
text: On DSLRs, the interchangeable lens’ focal length is measured in millimeters.
text: Focal length is generally measured in millimeters.