The Classic is a black and white video magnifier designed for use by people who have visual impairments (including "legal blindness") which make it difficult or impossible for them to read ordinary printed materials., , Utilizing the easy-to-use picture control selector, the Classic can display your printed materials in high-contrast black text on a white background or white text on a black background. The white text on black or negative image is ideal for glare reduction. This system also features an extremely large depth of field for viewing three-dimensional objects and a smooth, non-glare reading table which permits reading heavy books.