The Viewsonic PA503X projector displays images in 1024x768 px resolution . The image format is -, and for this format, it's best to choose a projection screen. The technology responsible for excellent image quality is DLP. The maximum brightness of the Viewsonic PA503X projector is 3800 ANSI lumens. The highest achievable contrast of the Viewsonic PA503X projector is 22000:1. The lowest measured noise level in economic mode is 27 dB. Without replacing the lamp, it can shine for up to 15000 hours.