Merlin Black & White The Merlin B&W features the best of the Merlin full-color video magnifier including auto-focus, magnification up to 66x, superior contrast resolution, optional voice recognition and large working space-but in black and white display mode. Ergonomically designed for ease-of-use, Merlin B&W is an excellent solution for people who have experienced vision loss. The black and white display mode, as featured on this product, is considered by leading eye care professionals to be very effective for people with certain eye conditions. "Magnification is not enough, a combination of high contrast black and white or white on black display mode is needed for successful Low Vision Rehabilitation", Scott Hearing, O.D. FAAO. Along with Merlin B&W, Merlin desktop products also include full-color and computer integrated. All products have been ergonomically designed to maximize comfort and ease of use, and feature large, tactile control buttons and optional voice activation. In addition, Merlin video magnifiers boast the largest reading table in the industry - easily accommodating large books, maps and other oversize materials.