The BA310 microscope platform was designed for daily, routine use in universities, clinics, labs, and other science and medical fields where quality optical performance is needed. This model comes with full Koehler configurations that provide maximum illumination quality. It also comes with additional contrast methods, including phase contrast, polarization, and dark field. There are discussion and teaching devices that make the model useful to users of any level. Some of the included features are coaxial coarse and fine focusing, a reverse mounted nosepiece, and your choice between halogen and LED lighting. The elite models come with halogen and lED interchangeability.