Barska 40x - 2000x Binocular Compound Microscope The Barska 40x - 2000x Compound Binocular Microscope delivers impressive detail and clarity with both a 10x and 20x wide field eyepiece, and a set of 4x, 10x, 40x , and 100x objective lenses. A 20 watt light with adjustable brightness allows the user to set the brightness setting while viewing a specimen. This Barska Compound Microscope features fine and coarse focus adjustments, slide retention clips, and a rotating nosepiece with four objective lenses. The 40x - 2000x Compound Binocular Microscope is ideal for hobbyists, industrial use, and medical applications. Features: 360° Head/Interpupillary Adjustment 4x, 10x, 40x, 100x Objectives 10x and 20x Wide Field Eyepieces 40x, 80x 100x, 200x, 400x, 800x, 1000x. and 2000x Magnification Fine / Coarse Focusing & Diopter 20 watt Illumination Mechanical Stage & Movable Slide Holder Ball Bearing Nosepiece Mount Cast Aluminum & Copper Frame Adjustable Working Distance Specifications: Condition New Brand Barska Model Number AY13074 UPC 790272003686 Type Compound Objective 4x, 10x, 40x, 100x Eye Piece WF10x, 18mm, WF20x Working Distance Adjustable Illumination 6V 20W Halogen Adjustable Knob Type Coarse & Fine Body Material Aluminum Alloy & Copper Included Accessories 10x and 20x Eyepiece, Blue Filter, Oil, Spare Light Bulb, Spare Fuse Warranty 1 Year Limited Warranty