Assertion: telephoto lens's length | /r/CapableOf | determine the angle of view
Facets:
value: for a given photographic system
type: OTHER
Source sentences:
text: For a given photographic system the focal length determines the angle of view, short focal lengths giving a wider field of view than longer focal length lenses.
text: The focal length of a lens determines its angle of view, and thus also how much the subject will be magnified for a given photographic position.
text: For a given photographic system the focal length determines the angle of view, short focal lengths giving a wider field of view than longer focal length lenses.