This is a professional trinocular compound microscope with a 1.3MP USB2.0 digital camera. The microscope comes with a trinocular sliding head, rack and pinion Abbe condenser with iris diaphragm, and double layer mechanical stage. This microscope is designed for teaching demonstration, clinical examination and research purpose. It offers six levels of magnification: 40X, 100X, 250X, 400X, 1000X and 2500X. The trinocular port allows to add photographic or video capability. The digital camera captures still images and video, and allows you to view a live stream on your PC. With software available for Windows, Mac, and Linux, it's a multi-platform imaging solution. The included Windows software offers image-development and measurement tools, as well as advanced compositing features such as image-stitching and extended-depth-of-focus. Independent preview and capture resolutions allow you to view high-speed video while capturing high-definition images. For Mac and Linux, there is a lite version with limited processing features. This microscope is a perfect instrument for vets, college students, and those in clinic offices and biological labs. It comes brand new in factory sealed box.