This 3.5X-90X trinocular stereo zoom microscope is on boom stand. It comes with a trinocular head with super widefield optics, a heavy-duty single-arm boom stand, a 54-LED ring light with dimmer, and a 640x480 pixel color digital camera. It offers crystal clear erect stereo images, 2-1/2" (65mm) super widefield of view, 26:1 large magnification zoom range and 8" (200mm) large working distance. The high-eyepoint optical design ensures an easy and comfortable observation for all users including eyeglass wearers.The color digital camera captures 640x480 pixel high resolution microscopy images and displays full-screen live video on your computer screens. Its built-in reduction lens gives your computer screen the same field view images as those seen through the eyepieces. With the included user-friendly software, compatible with Windows XP/Vista/7/8, Mac OS 10.6 & up and Linux, you can edit microscope images in a similar manner to PhotoShop. You can captures still images, record and stream live videos, and save images in BMP, TIFF, JPG, PICT, PTL or other formats. You can conduct measurements across microscope images for lengths, angles, areas and etc.The boom stand gives your microscope the flexibility to cover large working area. The intensity-adjustable LED ring light provides bright, even and cool light illumination. This microscopy system 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 $1,800.