Canon EF can refer to a specific product or a product line:
- Canon EF camera (A manual focus 35mm SLR)
- Canon EF lens mount (A line of "electro-focus" lenses)
Famous quotes containing the word canon:
“There is a Canon which confines
A Rhymed Octosyllabic Curse
If written in Iambic Verse
To fifty lines.”
—Hilaire Belloc (1870–1953)