The Luxeo 2S, with its single-cast construction, makes it ideal for the classroom. Enjoy the performance benefits of a university level microscope, but at a highly affordable levle. It is durable enough even for middle and high school use. Laboratory grade optics ensure students are viewing specimens the way they were intended with minimal wear and tear to its gears. The Luxeo 2S is an excellent choice for student operation due to its super bright and white light emitting diode (LED) illumination system and superb optics. In addition, it offers a range of lockable eyepieces and smooth focus mag-change knobs ensure security, interchangeablity, and allows for the stress free operation