The Riester Ri-Mini Ophthalmoscope is designed for the
examination of the eye and it's background. Correcting lenses with diopter
ranges of 0 to +20 and 0 to -20 can be adjusted on the lens wheel and four
different apertures and/or filters can be selected. Includes replaceable
2.5V halogen lamp and traditional hard storage case. Available in black
only. Operates on two "AA" batteries (not included).
