AmScope 10x-20x-30x-60x Stereo Microscope + 1.3MP USB Camera Four Magnification Power Settings, 10X, 20X, 30X & 60X, Offering Sharp Stereo Erect Images Built-in Incident (top) and Transmitted (bottom) Illumination System Captures 1.3M Pixel Microscope Images and Streams Live Video on Your PC Screen Saves Still Images in BMP, TIFF, JPG, PICT, PTL and Other Formats Advanced editing, processing measuring software compatible with Windows 2000/XP/Vista/7