The highest resolution supported by the Benq MW526 is 1920 x 1200 (WUXGA). That's over seven times the resolution of a 640 x 480 (VGA) multimedia projector, which is the most common resolution supported by multimedia projectors of a comparable age and spec to the MW526. 640 x 480 (VGA) is also supported by this projector.
A 1920 x 1200 (WUXGA) supported graphics resolutions is in fact the best supported resolution amongst all similar spec data projectors that were released around the same time as the MW526.
Amongst comparable types of multimedia projector the worst supported resolution is 640 x 480 (VGA).