Patented coaxial optics, Halogen HPX™ illumination and 68 focusing lenses combine for optimum resolution. Patented Welch Allyn® coaxial vision optics, combined with 68 lenses in single diopter steps, for the precision you need to conduct a quality eye exam.
Halogen HPX™ lamp illumination for true tissue color
18-unique aperture/filter combinations for greater versatility