Projection LensLens TypeManual FocusMinimum Lens Aperture2.68Maximum Lens Aperture2.56Minimum Focal Length22mmMaximum Focal Length24.1mmMinimum Diagonal Image Size50"Minimum Projection Distance2mLampNumber of Lamps1Normal Mode Lamp Life5000Economy Mode Lamp Life10000ExtremeEco Mode Lamp Life15000ImageMaximum Resolution1920 x 1200Native Resolution1024 x 768Native Aspect Ratio4:3Compatible Aspect Ratio16:9Contrast Ratio20000:1Throw Ratio1.96 ~ 2.15 (50" @ 2 m)Vertical Keystone Correction+/-40°Standard Mode Brightness3600 ANSIAudioSpeakersYesOutput Power3WInterfaces/PortsHDMIYesVGA InYesVGA OutYesAudio Line InYesAudio Line OutYesComposite VideoYesPhysical CharacteristicsHeight105.1mmWidth299.5mmDepth220mmWeight (Approximate)2.4kgWarrantyWarranty3 Year Local Onsite Warranty