Professional Opthalmoscope
Halogen light for true tissue color and consistent, long-lasting
illumination. Apertures: large and small spot,semicircle, and red-free
filter,
Correcting lenses range: +in 1D steps
|1-4|6|8|10|15|20|0 & -in 1D steps |1-4|6|8|10|15|20
Bulb:2.5V 1.6W Halogen Lamp