This stereo microscope has super widefield optics that offers 7X-90X zoom magnification power. It is an ideal instrument for industrial inspection and/or biological lab applications. This microscope is perfect for gemologists manufacturing engineers dental lab technicians and anyone in electronic and semiconductor industries. with a retail value of $1 200. Features: An excellent inspection dissecting stereo microscope 7X-90X super wide zoom magnification power High resolution with great flatness and contrast giving sharp and clear images Binocular head with 45 degree inclined 360 degree swiveling eye tubes 30mm super widefield high-eyepoint eyepieces with a 20mm field of view Sharp stereo erect images with a wide field of view Crystal clear original true color microscope images Dual eye tubes with adjustable diopters Large working distance Contemporary table stand Accurate alignment reduces eye strain for longer periods of viewing Full optical glass elements Precise ground glass lenses Full metal chrome-plated mechanical components Adjustable interpupillary distance Rubber eye-guards included Manufactured under ISO 9001 quality control standard Five (5) year manufacturer warranty for microscope Specifications: Head: 360 degree rotatable 45 degree inclined binocular Eyepieces: 30mm super widefield high-eyepoint WH10X/20MM Barlow Lens: 2.0X Zoom Range: 0.7X-4.5X Diopter Adjustment: +/- 5dp Interpupillary Distance: 2-3/16 - 2-15/16 (55-75mm) Working Distance: 4 (100mm) Power Input: 110-240V 50-60HZ Automatic Switching Stand: 10 x 7-7/8 x 10.75 (254 x 200 x 275mm) Round Plate: 3-3/4 (95mm) in diameter Accessories: Paired eye-caps Packing List: One Binocular Stereo Zoom Head One Pair of SUPER Widefield 10X Eyepieces One 2.0X Barlow Lens One Pillar Table Stand One Focusing Rack One Round Plastic Plate One Pair of Eye-Guards One Pair of Clips One Dust Cover User s Manual Package Dimension: 17 x 13 x 14.5 (432mm x 330mm x 370mm) Shipping Weight: 15 lbs