The PowerLite Pro Z10005U has a maximum resolution of WUXGA (1920x1200). That's over two times the resolution of a XGA (1024x768) projector, which is the most common resolution.
This multimedia projector's resolution (WUXGA (1920x1200)) is actually the best resolution across all projectors of this spec and age.
The worst resolution across comparable types of multimedia projector is SVGA (800x600).
What does "projector native resolution" mean?