. Coaxial vision system, sealed optics, and Halogen HPX or LED illumination for excellent views of the fundus
. Shadow-free spot, easier entry into undilated pupils and a larger field of view versus standard ophthalmoscopes
. Sealed optics keep out dust and dirt
. 18 unique aperture/filter combinations for greater versatility
. 28 focusing lenses with a range of -25 to +40 dioptres
. Comes with c-cell battery handle in a hard case
. Patented Welch Allyn coaxial system for easy entry and much wider field of view