The highest resolution of the Viewsonic PJD5155L is SVGA (800x600). That's 53% less resolution than the most frequently found native projector resolution of WXGA (1280x800).
A SVGA (800x600) native projector resolution is actually the worst resolution across all projectors of this age and spec.
Across similar types of data projector the best resolution is 1080p (1920x1080).
We compared all the other multimedia projectors that have a resolution of SVGA (800x600) to this projector and we think the Optoma S310e, the Viewsonic PJD5150, and the Infocus IN112 ($264.99) which has a better Rating is also worth considering.
Data projectors with a higher resolution that might be worth considering include the Viewsonic PJD5250 (XGA (1024x768)), the Infocus IN114 ($339.00) (XGA (1024x768)), or the Optoma H182X (WXGA (1280x800)) which also has a higher Rating.