The Optoma S316 has a maximum resolution of SVGA (800x600). That's 39% less resolution than the most frequently found projector native resolution of XGA (1024x768).
This data projector's resolution (SVGA (800x600)) is actually the worst resolution amongst all multimedia projectors that have been on the market for around the same time as this projector.
The best resolution across comparable types of data projector is WUXGA (1920x1200).
What does "projector native resolution" mean?