22X optical zoom 800,000 pixels camera USB output digital video projector digital video projectorTechnical parameters: Model 2800HV2800SD2800SVOptical partslensF1.6 -- F3.2, f= ... mmmaximum 380×270 mmZoomOptical 22 times, digital 8 timesOptical 22 times, digital 8 timesOptical 22 times, digital 8 timesFocusAutomaticAutomaticAutomaticApertureAutomaticAutomaticAutomaticVideo systemCamera1 / 4 "CCD ...