The Epson EX3220 has a maximum resolution of SVGA (800x600). That's 53% less resolution than the most frequently found projector native resolution of WXGA (1280x800).
This projector's resolution (SVGA (800x600)) is actually the worst resolution amongst all comparable spec multimedia projectors that came out around the same time as this projector.
The best resolution amongst similar types of projector is WUXGA (1920x1200).
What does "projector native resolution" mean?