AmScope 40x-1600x Compound Microscope + USB PC Camera + Slides 45-degree Inclined 360-degree Rotatable Monocular Head with Eight Magnification Settings 40X, 64X, 100X, 160X, 400X, 640X, 1000X & 1600X Precise Optical Glass Lenses and Metal Mechanical Parts Separate Coarse and Fine Focus and Abbe Condenser w/ Disc Diaphragm Captures 640x480 pixel still images and streams real-time live videos on your computer screens Compatible with Windows XP/Vista/7 and Mac OS 10.6 & up