This is an outstanding trinocular stereo zoom microscope that includes both top and bottom illumination. The scope includes super widefield optics while also delivering crystal clear sharp stereo images. Features include... 10X - 60X Continuous Zoom 10X & 15X Super Widefield Eyepieces 10X 1.0 - 4.0X Objective 12V / 10W Hologen Bulb Illumination Pillar base with Top & Bottom Illumination Zoom Range: 8:1 3 1/8" (80mm) Working Distance Dust Cover This 10X-60X trinocular stereo zoom microscope is designed to meet the demands of modern microscopy applications, exceeding all expectations. The microscope comes with versatile illumination system that provides both incident (top) lighting and transmitted (bottom) illumination. You can choose between incident illumination shining down onto the object or transmitted illumination through the frosted stage plate. The first is used for the observation of three-dimensional objects like circuit boards, gem stones and insects; the second for the inspection of the objects that allow light to get through them like prepared slides.This microscope offers crystal clear sharp stereo images, large zoom magnification range and working distance. Its 45° inclined trinocular head ensures an easy observation and rubber eyeguards provide further comfort. It is great for the exploration of the world of surface details and fine structures of various materials like wood, metal, solder, semiconductor and gemstone. It is perfect for the examination of insects, plants, rocks, stamps, jewel, soldered points, microelectronic components, circuit boards or virtually any three dimensional objects. It is brand new in factory sealed box. Its retail value is above $1500.