This is a 3.5X-90X zoom stereo microscope with a three-eyed 3.5X-90X zoom stereo microscope that stands out variable 144-LED ring light giving you clear sharp images and bright cool lighting illumination. It comes with a 30mm ultra-wide field of view high eye point eyepiece and a 3 eyepiece, a heavy duty double arm boom stand and a dimmer and LED ring light. Its three-eye port allows you to add photos and video functions. Multi-purpose double arm boom stand allows you to turn the microscope head around three different axis (X, Y, and Z) so you can point the microscope head in any direction you want. Variable LED Ring Light Cool, Variable Lighting Intensity Adjustable, providing uniform and bright LED lighting It comes with a specially designed control box that allows you to turn on and off each part of the ring light and change the lighting direction to get the best stereo image. This microscope system provides high resolution, ultra-wide field of view, large magnified zoom range and long working distance. This is an ideal instrument for gemologists, sculptors, collectors, manufacturing engineers and anyone in the semiconductor and/or electronic industry. This microscope is the right microscope for biological laboratory applications requiring low heat emission. It offers optical equipment for Leica, Zeiss, Nikon and Olympus, made by the same OEM supplier, and it will arrive to a new brand in a factory sealed box.