Professional stereo microscope with boom arm has long working distance to enables users to perform work or manipulate large items, including circuit boards and dental appliances;Binocular viewing head with interchangeable pairs of 10x and 20x widefield eyepieces, adjustable interpupillary distance, and fixed 30-degree vertical inclination to reduce eye and neck strain;1x objective provides low magnification and longer focal length for inspecting large-scale specimens;Adjustable gooseneck LED light enables users to direct the light where needed;9 vertical working distance and adjustable 12 boom arm enables users to adjust the microscope on the X- and Y-axes