The PT-EW540 supports a maximum resolution of 1920 x 1200 (WUXGA). That's over seven times the resolution of a 640 x 480 (VGA) data projector, which is the most common resolution supported by projectors of a similar type and age to the PT-EW540. 640 x 480 (VGA) is also supported by this data projector. This multimedia projector also supports a graphics resolution of 1280 x 800 (WXGA).
This projector's resolution (1920 x 1200 (WUXGA)) is actually the best supported resolution across all comparable spec multimedia projectors that were released more than two years ago.
The worst supported resolution amongst similar types of projector is 640 x 480 (VGA).