The Parco PST series are durable and dependable. They deliver a 3 dimensional, un-reversed image with great resolution, brightness, and clarity, and are engineered for ease of use and simplicity of operation. This model has a rugged all metal construction, a binocular 45° head that can rotate 180°, 10X wide field eyepieces, and interpupillary adjustment from 51 - 75mm. Magnification of 20X, 30X, and 40X are available. Top and bottom LED lighting allows for easy observation. The microscope has a 1 year limited warranty.