Assertion: camera's option | /r/HasProperty | unique
Facets:
value: no longer
type: TEMPORAL
value: to dslrs
type: OTHER
Source sentences:
text: However, since the introduction of the Micro Four Thirds system by Olympus and Panasonic in late 2008, mirrorless interchangeable lens cameras are now widely available so the option to change lenses is no longer unique to DSLRs.