This binocular articulating stereo microscope comes with a pillar clamp and a 144-LED ring light. While offering sharp and crystal clear images it is a perfect stereo microscopy system for multiple applications. The microscope has a super widefield optical system that provides a large zoom magnification range (65:1) and a large working distance (8 200mm). With a vertical pillar and a clamp the articulating arm provides great flexibility. The LED ring light provides bright even and cool illumination. This microscopy system is great for both industrial and biological applications. It is an ideal instrument for manufacturing engineers researchers gemologists lab technicians and anyone in electronics and semiconductor industries. with a retail value of $2 800. Features: A high quality super widefield optical system and offers 3.5X-225X zoom magnification power Versatile heavy-duty articulating arm with a vertical pillar and a clamp covers large working area 8 (200mm) large working distance 30mm Super Widefield 10X Eyepieces 30mm Super Widefield 25X Eyepieces Sharp stereo images over a super widefield view High resolution with great flatness and contrast Crystal clear original true color images Accurate alignment reduces eye strain for a More Comfortable Observation Both ocular tubes with adjustable diopters Adjustable interpupillary distance Full optical glass elements Precise ground glass lenses All metal mechanical components Rubber eye-guards included Manufactured under ISO 9001 quality control standards Excellent five (5) year manufacturer warranty Specifications: Head: 45-degree inclined 360-degree swiveling binocular Eyepieces: 30mm super widefield high-eyepoint WH10X/20 & WH25X/20 Barlow Lens: 0.5X and 2.0X Objective: 0.7-4.5X Zoom Range: 65:1 Diopter Adjustment: +/-5dp Interpupillary Distance: 2-3/16 - 2-15/16 (55-75mm) Working Distance: 8 (200mm) Accessories: eye-guards Packing List : One Binocular Zoom Microscope Head One Pair of Super Widefield High-eyepoint 10X Eyepieces One Pair of Super Widefield High-eyepoint 25X Eyepieces One 0.5X Barlow Lens One 2.0X Barlow Lens One Articulating Arm with a Pillar Clamp One Focusing Rack One 144-LED Ring Light One Ring Light Adapter One Pair of Eye-guards User s Microscope Manual Shipping Weight: 35 lbs