Head Magnifier. Features: Head Magnifier is a professional device designed for studying small objects or longtime precision work. The magnifier fixes on the head with an adjustable elastic binding. The magnification range is from 1x to 20x. The interchangeable lenses are made of optical plastic and provide high-quality, contrast images. You can change the pair of lenses according to your task. The kit includes lenses for one and both eyes. Using one lens, you can move it horizontally with a special slider, and study the working area with your right or left eye. The bright LED illumination is located on the frame, right over the lens, and allows observation even in the dark. Weight: 0.4 kg.