Product Description: This is a 3.5X-90X stereo zoom microscope on boom. It comes with a binocular head with 30mm SUPER widefield, high-eyepoint 10X eyepieces, 0.5X and 2.0X Barlow lenses and a double-arm heavy-duty boom stand. The high-eyepoint optic design ensures an easy and comfortable observation, especially for eyeglass wearers. The 3D double-arm boom stand allows you to turn the microscope head around three different axis (x, y, and z), allowing you to point the microscope head in ANY direction. The microscope offers high resolution, super widefield of view, extremely large magnifying zoom range (26:1) and long working distance (8"). It gives crystal clear sharp images. It is an ideal instrument for research labs, gemologists, engravers, collectors and anyone in semiconductor and/or electronic industry. This microscope is made by the same technicians and on the same production line as optical instruments for Leica, Zeiss, Nikon and Olympus. The retail value of this microscope is $1,900.