This binocular stereo microscope gives 10X and 30X magnification settings with sharp clear images and high resolution. It comes with super widefield and high-eyepoint eyepieces, a single arm boom stand and a fluorescent ring light. It offers large working distance and versatility. It is an ideal instrument for research labs, gemologists, collectors, engravers, and anyone in semiconductor or electronic industry. Features : High Resolution with Great Flatness and Contrast Binocular Head with Super Widefield Eyepieces 8w Fluorescent Ring Light Included Both Ocular-Tubes with Adjustable Diopter 10X and 30X Magnifications Large Working Distance Full Metal Stand Construction Single Arm Boom Stand with Solid Base Optional Fiber Optical Illuminator or Fluorescent Ring Light Manufactured under ISO 9001 Quality Control Standard Excellent Five (5) Year Manufacturer Warranty Specifications : Head: 45 degree inclined 360 degree swiveling binocular Eyepiece: super widefield WH10X/20MM Objectives: 1X & 3X Diopter Adjustment: +/- 5dp Interpupillary Distance: 2-3/16" - 2-15/16"(55-75mm) Working Distance: 4" (100mm) Illumination: 8 Watt fluorescent ring light Power Supply: 110V Boom Stand: 16" single-arm (overall length: 24"), 17" high pillar, 9" x 9" x 1-3/4" solid cast steel base Accessories: a paired eye-guards Packing List : One Binocular Stereo Microscope Head with 1X & 3X Objectives One Pair of Super Widefield 10X Eyepieces Single-arm Boom Stand with Focusing Rack One Fluorescent Ring Light with Adapter One Pair of Eye-guards User's Manual Download Shipping Weight: 60 lbs