This darkfield and brightfield trinocular compound microscope is designed for clinical examination and teaching demonstration in medical field veterinary offices laboratories and colleges. It comes with Siedentopf trinocular head darkfield and brightfield condensers backward nosepiece 3D mechanical stage and powerful 3W LED illumination. It offers eight darkfield magnification powers and eight brightfield settings (40X 80X 100X 200X 400X 800X 1000X 2000X). It is an ideal instrument for biological veterinary bacteriological and pharmaceutical applications. Features : High Quality Professional Grade Darkfield and Brightfield Microscope Eight Levels of Darkfield Magnification: 40X-80X-100X-200X-400X-800X-1000X-2000X Eight Levels of Brightfield Magnification: 40X-80X-100X-200X-400X-800X-1000X-2000X Perfect for Clinics Vets Doctors and College Students 30 Degree Inclined 360 Degree Swiveling Siedentopf Trinocular Head 3D X-Y Mechanical Stage with Stain Resistant Finish and Slide Clips Coaxial Coarse Fine Focusing with Tension Control and Stopper Crystal Clear High Definition Sharp Images Fully Coated Optical System with High Resolution Dual Side Focusing Control Knobs 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 Fuse and a Bottle of Immersion Oil Included Manufactured under ISO 9001 Quality Control Standard. Excellent Five (5) Year Factory Warranty Lowest Price for the Same Guaranteed or the Difference Back! Satisfaction Guaranteed or Your Money Back! Specifications : Nosepiece: quadruple Head: 30 degree inclined Siedentopf trinocular head 360 degree swiveling Interpupillary Distance: 48mm-75mm Diopter: Adjustable left eye tube Wide-field Eyepiece: WF10X18 WF20X Achromatic Objective: 4X 10X 40X (spring) 100X (spring oil) Stage Dimensions: 110mm x 140mm Stage Traveling Range: 78mm X 40mm Focusing: Coaxial coarse fine with tension control and stopper Abbe Condenser: NA=1.25 with iris diaphragm filter Illumination: variable 3W LED Power Supply: 110V/220V Filter: blue and green Accessories: Eye-guards dust cover immersion oil Packing List : Trinocular Microscope Head Microscope Body Frame with Base Four High Quality DIN Objectives 4X 10X 40X and 100X One Pair of 10X Widefield Eyepieces One Pair of 20X Widefield Eyepieces One Dry Darkfield Condenser One Brightfield Condenser (mounted on the microscope) One Color Filter One Dust Cover Immersion Oil User s Manual Shipping Weight: 20 lbs