... : 1.3 M(interpolated to 2M),Magnification Ratio: 20x ,400x usb digital microscopeImage sensor: 1.3 M(interpolated to 2M)Still ... , 1280x960, 1024x768, 800x600, 640x480, 352x288, 320x240, 160x120Focus Range: Manual focus from 10mm to 500mmFrame Rate: Max 30f/s under 600 Lus ... by control wheel)PC interface: USB2.0Power source: 5V DC from USB portOperation system: Windows2000 SP4/XP/Vista/Win7, Mac OS X ...