● Specifications: Objectives: 20X, 40X 45° inclined eyepieces with interpupillary adjustment from 55 mm to 75 mm 10X wide-field eyepiece Working distance: 80 mm Includes two 75 mm stage plates, one frosted and one reversible black/white Diopter control is standard in left viewing tube Coated optics for crisp image and superior resolution Rotating objective turret Heavy-duty rack-and-pinion focusing with slip clutch and tension adjustment Illumination and stand are great for examining opaque or translucent specimens Illumination emanates from a light cluster of mini LED light panels on top and bottom Diagonally adjustable top light creates the desired amount of light on the stage plate Separate light intensity control for top and bottom illumination 3-way, built-in illumination allows transmitted, incident, or dual lighting High-intensity lighting distributes evenly Includes dust cover and instructions Lifetime warranty