Assertion: lens | /r/HasProperty | categorized as long-focus lenses
Facets:
value: according to their focal lengths
type: OTHER
Source sentences:
text: The plate scale is the reciprocal of the focal length of the camera lens; lenses are categorized as long-focus lenses or wide-angle lenses according to their focal lengths.
text: The plate scale is the reciprocal of the focal length of the camera lens; lenses are categorized as long-focus lenses or wide-angle lenses according to their focal lengths.