This is a black version of our popular 7X-135X zoom stereo microscope mounted on a single-arm boom stand. It comes with a trinocular head with super widefield optics with a zoom ratio of 19:1 and a sturdy single-arm boom stand. The trinocular port enables to add photographic or video capability to the microscope. Its 45 degree inclined trinocular oculars and high-eyepoint optical design ensures a comfortable observation for all kinds of users including eyeglass wearers. The single-arm boom stand allows to turn the microscope head around two different axes, letting you point microscope head in various directions. This microscope offers high resolution, super widefield of view, large magnifying zoom range and long working distance. The 80-LED ring-light features solid construction in a black finish, with an aluminum control-box for intensity-adjustment. It is an ideal instrument for researchers, gemologists, engravers, and anyone in semiconductor and/or electronics industry.