3.5X-90X large zoom magnification power on flexible double-arm boom stand * 2-1/2" (65mm) SUPER widefield of view and 8" (200mm) large working distance * 5MP USB2.0 digital camera capturing microscope images and displaying real-time video on PC screens * Advanced editing, processing measuring software compatible with Windows XP/Vista/7 and Mac OS 10.6 & up * 80 LED ring light with 8 lighting zones with individual on/off control and 5 memories