| Features | The transparent, plastic base lets in maximum light for clear, bright viewing. All have an open base for marking. Aspheric PXM® lightweight lens with Duplex coating. White plastic frame mount. | The 7 diopter aspheric lens is the largest size available in a rectangular shape. Includes unique "cera-tec" coating, an innovation in lens coating that makes plastic lenses virtually glass hard. The open base of these stand magnifiers and tiltable lens make them useful not only for reading, but also for handwriting, check signing and other tasks. |