AmScope 17 lbs Full-Size Professional Binocular Biological Compound Microscope 40x-2000x with 3D Two Layer Mechanical Stage + 1.3 MP Digital USB Camera Professional eight magnification settings from 40X to 2000X Widefield optics; Abbe condenser with iris diaphragm 3D double layer mechanical stage; Coarse & fine focusing 1.3MP USB 2.0 digital camera for photos and videos on Windows, Mac, and Linux Advanced software for Windows XP/Vista/7/8/10, limited software for Mac/Linux