Do the EF lenses retain the autofocus capability on cine cameras or do you even need it in cinematography? The only drawback with longer flange is more complic

Do the EF lenses retain the autofocus capability on cine cameras or do you even need it in cinematography? The only drawback with longer flange is more complicated designs for wide angle lenses. That didn't stop Canon from making a rectilinear 15 mm EF lens.