Assertion: lens | /r/CapableOf | mark with ef
Facets:
Source sentences:
text: Lenses marked with EF are compatible with all Canon EOS cameras, digital and film, and are designed to cover 35mm full-frame image circle.
text: Lenses marked with EF are compatible with all Canon EOS cameras, digital and film, and are designed to cover 35mm full-frame image circle.