WELCH ALLYN COAXIAL OPHTHALMOSCOPE 11720

28 focusing lenses with a range of -25 to +40 diopters
Coaxial optics produce a shadow-free spot, easier entry into undilated pupils, and a larger field of view versus standard ophthalmoscopes
Red-free filter may be used with any aperture
18 unique aperture/filter combinations for greater versatility
Polarizing filter virtually eliminates corneal reflection
LED (optional)

BOC Catalogue