This binocular 3.5X-90X zoom stereo microscope is on boom stand with 80-LED ring light. It comes with a 45 degree inclined binocular head, super widefield optics, a heavy-duty single-arm boom stand, and a 80-LED ring light. The 45 degree inclined eye tube and high-eyepoint optical design ensures easy and comfortable observation. The rubber eyeguards provide further comfort. The microscope offers high resolution, 2-1/2" (65mm) super widefield of view, 26:1 large magnification zoom range and 8" (200mm) long working distance, providing crystal clear sharp images. The 80-LED ring light provides bright, cool and even illumination. It is an ideal instrument for researchers, gemologists, engravers, collectors and anyone in semiconductor and electronics industries. It is also a perfect microscope for biological laboratory applications that require low heat release. This microscope is made by the same technicians and on the same production line that makes optical instruments for Leica, Zeiss, Nikon and Olympus. It is brand new in factory sealed boxes. Its retail value is $1,600.