The CP-WX3030WN has a maximum resolution of WXGA (1280x800). That's 30% more resolution than a XGA (1024x768) data projector, which is the most common resolution.
A WXGA (1280x800) projector native resolution is actually the best resolution amongst all 4000:1 contrast ratio multimedia projectors that were released around the same time as this data projector.
The worst resolution amongst comparable types of projector is XGA (1024x768).
What does "projector native resolution" mean?