This is a professional infinity binocular compound microscope with superior extreme widefield infinity optical system offering crisp clear images. It comes with a 30 degree inclined 360 degree swiveling binocular Siedentopf head extreme widefield eyepieces infinity objectives coaxial coarse & fine focusing 3-D mechanical stage and Kohler halogen illumination with wide band power supply (from 85V to 230V). The backward nosepiece configuration allows spacious room for convenient operation and comfortable observation. This microscope provides eight levels of magnification: 40X 60X 100X 150X 400X 600X 1000X and 1500X. It is a superb instrument for clinic offices veterinary labs and research laboratories and comes in a factory sealed box. Features: An Affordable Infinity Optical Microscopy System with Koehler Illumination! Backward Nosepiece Allowing Spacious Room for Comfortable Observation Large Mechanical Stage with Two-microslide Specimen Clamp Humanized Configuration Design Providing Comfortable Operation Front Open Light house Framework for Easy Access to Light Bulb Fully Coated Optical System with High Resolution Crystal Clear Sharp Images Precise Mechanical Control System Backward Nosepiece Design for Spacious Operation Room Koehler Illumination System with Field Diaphragm for Lighting Control 30 Degree Inclined 360 Degree Swiveling Binocular Siedentopf Head Eight Magnification Levels: 40X 60X 100X 150X 400X 600X 1000X and 1500X Intensity-Variable Transmitted Halogen Lighting System Abbe Condenser with Iris Diaphragm and Swing-Out Filter Holder Rack and Pinion Adjustment for Condenser Low Position Coaxial Stage Movement Control Knobs Dual Side Coaxial Coarse and Fine Focusing Control Adjustable Interpupillary Distance Adjustable Diopter on Ocular Durable Cast Alloy Frame Stand with Stain Resistant Enamel Finish Four Infinity Objectives: 4X 10X 40X 100X Two Sets of Wide Field Eyepieces: Wide Field 10X (22mm Field of View) and 15X Large Double Layer Mechanical Stage with Stain Resistant Finish Upward Stage Stopper to Protect Objectives and Slides Compatible with a Wide Range of Optional Accessories Including Phase Contrast and Darkfield Condensers Manufactured under ISO 9001 Quality Control Standards Excellent Five (5) Year Factory Warranty Unbeatable Low Price Guaranteed or Difference Back! Satisfaction Guaranteed or Your Money Back! Specifications: Optical System: infinity corrected Nosepiece: backward ball bearing quadruple Head: Siedentopf binocular head 30-degree inclined Eyepiece: WH10X/22mm and WH15X Objectives: infinity objective 4X 10X 40X (spring) 100X (spring oil) Focusing: low position coaxial focus system Interpupillary Adjustment Mechanisms: 2-3/16 - 3-0 (55 - 75mm) Mechanical Stage: 7.1 x5.9 (180mm ? 150mm) Stage Traveling Range: 3 x 2 (75x50mm) Division of Fine Focusing: 0.0000787 (0.002mm) Condenser: N.A. 1.25 swing with iris diaphragm filter Illumination: Koehler halogen 12V/20W Power Supply: 85V-230V wide voltage CE certified Packing List: One Binocular Siedentopf Head One Microscope Body Frame with Base and Koehler Illumination System Four High Quality Infinity Objectives: 4X 10X 40X and 100X Two Pairs of Extreme Widefield Eyepieces: WH10X and WH15X One Power Cord Three Color Filters One Dust Cover One Spare Halogen Bulb One Spare Fuse Immersion Oil User s Manual Shipping Weight: 25 lbs