Welch Allyn 11610 3.5V Standard Opthalmoscope Head - Halogen illumination and mirror optical system - 23 lenses and illuminated lens dial for accuracy and versatility - Soft brow rest steadies instrument and protects spectacles - 5 aperture selections for all diagnostic applications - Polarizing filter/dust cover minimizes interference from corneal reflection and protects optics from dust - Replacement Lamp: 03000
