This is a teaching & training high power compound microscope. It offers eight magnification settings: 40X 64X 100X 160X 400X 640X 1000X and 1600X. This microscope is specially designed for teaching and training purpose. It is a perfect family or home school microscope. It is also an ideal instrument for biological bacteriological and pharmaceutical researches. Features : 360 Degree Swiveling Dual Viewing Head 45 Degree Inclined and Upright Viewing Tubes Adjustable Diopter on Upright Viewing Tube Separate Coarse & Fine Focusing Fully Coated Optical System with High Resolution Crystal Clear Sharp Images High Quality Teaching/Training Microscope Eight Levels of Magnification: 40X 64X 100X 160X 400X 640X 1000X and 1600X Upward Stage Stopper to Protect Slides and Objectives Built-In Illumination System Abbe Condenser with Iris Diaphragm Focusing Control Knobs on Both Sides Four DIN Achromatic Objectives Two Eyepiece Sets and Pointer Included Full Optical Glass Elements All Metal Mechanical Components Precise Ground Glass Lens Rugged Metal Frame and Stand with Stain Resistant Enamel Finish Optional 5X 10X 20X 25X Widefield Eyepieces Available ($19/pc) Optional CCD Camera Attachment for TV Optional CCD Camera Attachment with Software for PC 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 Money Back! Specifications : Nosepiece: quadruple Head: dual viewing head Eyepieces: WF10X/18MM & WF16X Achromatic Objectives: 4X 10X 40X (spring) 100X (spring oil) Stage Dimensions: 4-3/8 x 4-3/4 (110x120mm) Condenser: NA=1.25 with iris diaphragm Focusing Control: rack & pinion Illumination: tungsten lamp 115V/20W Dimensions: 7-1/2 x 5-1/8 x 15-0 Shipping Weight: 10 lbs