Give curious minds an engaging insight into the world around them with the 2057 series of elementary microscopes from Walter Products. This monocular microscope comes with a revolving triple nosepiece to let you rotate the 3 objective lenses to deliver 40x to 400x magnification. The 45-degree inclined head rotates 360 degrees for convenient viewing. | Walter Products 2057 Series 40x -400x Monocular LED Compound Microscope