The Canon WUX-450 has a maximum resolution of WUXGA (1920x1200). That's over two times the resolution of a XGA (1024x768) data projector, which is the most common resolution.
This multimedia projector's resolution (WUXGA (1920x1200)) is actually the best resolution amongst all projectors of this type and age.
The worst resolution across comparable types of multimedia projector is XGA (1024x768).
What does "projector native resolution" mean?