This is a trinocular compound microscope for clinical examination and teaching demonstration in medical field veterinary offices laboratories and colleges. It comes with compensation free trinocular head mechanical stage and LED illumination system. It offers eight level magnifications 40X 80X 100X 200X 400X 800X 1000X & 2000X. Its backward nosepiece design allocates spacious room for comfortable operation. It is an ideal instrument for biological veterinary bacteriological and pharmaceutical applications. Features : 30 Degree Inclined 360 Degree Swiveling Compensation Free Trinocular Head Backward Nosepiece Allocates Spacious Room for Comfortable Operation Large Mechanical Stage with Stain Resistant Finish and Slide Clips Coaxial Coarse & Fine Focusing Fully Coated Optical System with High Resolution High Quality Professional Grade Microscope Perfect for Clinics Vets Doctors Students Crystal Clear Sharp Images Eight Levels of Magnification: 40X 80X 100X 200X 400X 800X 1000X & 2000X. Focusing Control Knobs on Both Sides Built-in LED Illumination System with Adjustable Brightness Abbe Condenser with Iris Diaphragm & Swing-Out Filter Holder Four DIN Achromatic Objectives Two Sets of Eyepiece Included Full Optical Glass Elements Precise Ground Glass Lens All Metal Mechanical Components Adjustable Interpupillary Distance Adjustable Diopter on Ocular Solid Metal Frame Construction with Stain Resistant Enamel Finish Spare Bulb Fuse and a Bottle of Immersion Oil Included Plan-Concave Mirror Included Manufactured under ISO 9001 Quality Control Standard Excellent Five (5) Year Factory Warranty Specifications: Nosepiece: quadruple Head: 30 degree inclined compensation free trinocular head Interpupillary Distance: 2-3/16 - 3-0 (55 - 75mm) Wide-field Eyepieces: WF10X & WF20X Achromatic Objectives: 4X 10X 40X (spring) 100X (spring oil) Stage Dimensions: 5-1/8 x 4-3/4 (130x120mm) Stage Traveling Range: 2-3/8 x1-3/16 (60x30mm) Coarse Focusing Range: 0-5/8 (15mm) Abbe Condenser: NA=1.25 with iris diaphragm & filter Condenser Focusing: spiral control Illumination: variable 1W LED 110V-6V/20W Filter: blue Accessories: Eye-guards dust cover immersion oil Packing List: One Trinocular Microscope Body with Backward Nosepiece Four High Quality DIN Objectives 4X 10X 40X and 100X One Pair of 10X Widefield Eyepieces One Pair of 20X Widefield Eyepieces One Blue Filter Dust Cover Immersion Oil User s Manual Shipping Weight: 18 lbs