... zoom , 8X digital zoom 1,300,000 pixels color camera USB and RS-232 Image stora Document camera Technical Specifications ... , f=3.9 –85.5mmF1.6 -- F3.2, f=3.9 – 85.8mmF1.6 -- F3.2, f=3.9 ... mmZoomOptical 22 times, digital 8 timesOptical 22 times, digital 8 timesOptical 22 times, digital 8 timesFocusAutomaticAutomaticAutomaticApertureAutomaticAutomaticAutomaticVideo systemCamera1 / 4 "CCD Colorful1 / 4 ...