Viewsonic PA503X. Projector brightness: 3600 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 4500 h, Service life of light source (economic mode): 15000 h. Focus: Manual, Zoom type: Manual, Optical zoom: 1.1x. Analog signal format system: NTSC, PAL, PAL 60, SECAM, Supported graphics resolutions: 640 x 480 (VGA), 720 x 480, 720 x 576, 800 x 600 (SVGA), 1024 x 768 (XGA), 1280 x 1024 (SXGA),..., Supported video modes: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p. Serial interface type: RS-232, HDMI connector type: Full-size
Viewsonic LS500WH. Projector brightness: 2000 ANSI lumens, Projector native resolution: WXGA (1280x800), Contrast ratio (typical): 3000000:1. Light source type: LED, Service life of light source: 30000 h. Focus: Auto, Focal length range: 22 - 24.1 mm, Aperture range (F-F): 2.56 - 2.68. Analog signal format system: NTSC, PAL, SECAM, Supported graphics resolutions: 640 x 512, 640 x 640, 640 x 160, 640 x 352, 640 x 360, 640 x 400, 640 x 480 (VGA), 640 x 544, 640..., Supported video modes: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p. Serial interface type: RS-232