Assertion: lens | /r/HasProperty | interchangeable
Facets:
value: directly
type: MANNER
value: within the "mount system"
type: LOCATION
Source sentences:
text: A lens might be permanently fixed to a camera, or it might be interchangeable with lenses of different focal lengths, apertures, and other properties.
text: As implied by the above, lenses are only directly interchangeable within the "mount system" for which they are built.