Illuminated Handheld 3X Rectangular Magnifier Professional Grade Bi-Aspheric low distortion lens With a rectangular Lens 83mm x 59mm , Illuminated by the latest LED technology giving good battery life. The Bi-aspheric lens gives low distortion viewing over a large area making reading easy Auto Touch 3x, 9-diopter LED Illuminated Magnifier with its 3.27” x 2.32” (83mm x 59mm) rectangular bi-aspheric lens offers a large, low-distortion field of view and uniform LED light across the lens, for an easier reading experience. Its ergonomic handle conforms to the natural shape of the hand, making it comfortable to use for longer periods and easier for the arthritic and those with limited dexterity to hold. The Coil AT-Max is extra lightweight and features an auto touch on/off switch for smooth and simple operation. Batteries are easy to access and change. Included soft cloth pouch protects magnifier while not in use. Color: Blue/White.