AmScope SM-1TN Professional Trinocular Stereo Zoom Microscope, WH10x Eyepieces, 7X-45X Magnification, 0.7X-4.5X Zoom Objective, Ambient Lighting, Pillar Stand Professional stereo microscope with pillar 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 Ambient lighting illuminates the specimen, eliminating the need for power or batteries Pillar-style table stand has reversible black and white stage plate to provide contrast with light- and dark-colored specimens, and large stage clips to secure the specimen during viewing