The Topcon CL-300 Computerized Lensmeter measures all types of lenses quickly and easily, including progressive lenses and contact lenses. It features an intuitive color touch screen panel and compact, ergonomic design. ABBE compensation is not required with the Topcon CL-300. The UV measurement function can measure information from the ultraviolet transmittance in the range of 0% to 100% to provide measurements for eyeglasses and sunglasses. Key features also include a green measurement light beam and automatic mono- and multi-focal detection.