The Leica S7E gemological microscope is a high quality gemological microscope for inclusion / diamond inspection. The optics on the microscope are unmatched by any other microscope on the market. Leica's patent of fusion optics provides higher resolution, larger field of view, and larger depth of focus than any other microscope. With the 16x eyepieces this microscope has a zoom range of 9.8x - 72x magnification. The tilting ergonomic base allows for 325 degree rotation. The base includes three light sources - LED top pinpoint light, overhead fluorescent, and darkfield halogen illumination.