The PT-VX505NE supports a maximum resolution of 1920 x 1200 (WUXGA). That's over seven times the resolution of the most frequently found graphics resolution of 640 x 480 (VGA).
A 1920 x 1200 (WUXGA) graphics resolution is actually the best supported resolution across all data projectors that have been on the market for around the same time as the PT-VX505NE.
A 640 x 480 (VGA) graphics resolution is the worst supported resolution across similar types of multimedia projector.
If the resolution of this projector is too low for you then you might also want to consider the PT-VX415 ($1,332.97) (1024 x 768 (XGA and cheaper) and cheaper), or the PT-VX500 (1280 x 720 (HD 720 and cheaper)|1920 x 1080 (HD 1080 and cheaper)|1920 x 1200 (WUXGA and cheaper)|640 x 480 (VGA and cheaper) and cheaper) both from Panasonic; or the NEC NP-P451 ($1,799.00) (1280 x 1024 (SXGA and higher rated)|1280 x 800 (WXGA and higher rated)|1400 x 1050 (SXGA+ and higher rated)|1600 x 1200 (UXGA and higher rated)|640 x 480 (VGA and higher rated)|800 x 600 (SVGA and higher rated) and higher rated).