... CMOS Connect to 23.2mm & 30mm / 30.5mm Video frame Rate: up to 30 frame-per-second Technical Specifications:PC InterfaceUSB 2.0 ... /4 inch, COLOR CMOS , 350K PixelsMaximum Resolution640*480(Hardware)Frame Rate30fps at 640*480Video Mode640*480Dynamic Range65dBSensitivity2.0V/lux-sec ... Includes:Digital Microscope Eyepiece Camera Two adaptors (dia.30mm, dia.30.5mm, Optional) High-Speed USB2.0 cable (1.5m) ...