The highest resolution of the PJD5132 is SVGA (800x600). That's 39% less resolution than the most common native projector resolution of XGA (1024x768).
A SVGA (800x600) native projector resolution is in fact the worst resolution across all projectors of a similar type and age to the PJD5132.
The best resolution amongst similar types of projector is 1080p (1920x1080).
It may also be worth also looking at one of the alternative projectors that have a resolution of SVGA (800x600) currently available including because of it's better review score, the Infocus IN112A, or the Optoma S300 (£275.02).
If you are looking for a projector with a higher resolution then you might want to consider the Infocus IN124 (£286.45) (XGA (1024x768 and higher rated) and higher rated).