Professional stereo microscope with boom stand has long working distance to enable users to perform work or manipulate large items, including circuit boards and dental appliances Trinocular viewing head with pair of 10x super-widefield eyepieces, adjustable interpupillary distance, fixed 45-degree vertical inclination to reduce eye and neck strain, and 360-degree rotation capability to enable sharing 0.7x-4.5x zoom objective provides continuous zoom magnification and longer focal length for inspecting large-scale specimens Removable rheostat-controlled 54-bulb LED ring light provides intensity control and bright, cool light for working with temperature-sensitive or live specimens Single boom arm with 8" vertical working distance and adjustable 16" boom arm enables users to adjust the microscope on the X- and Y-axes