Welch Allyn 3.5v Coaxial Ophthalmoscope Head (Model 11720)
Features & Benefits:
- Uses a Halogen HPX™ lamp that provides 30% more light output for true tissue color and consistent, long-lasting illumination
- Comes with 28 lenses from -25 to +40 diopters for better resolution
- The Coaxial optical system produces a shadow-free spot and easier entry into undilated pupils
- The crossed-linear polarizing filter reduces corneal reflection
- The red-free filter may be used with any aperture
- It has 18 possible aperture combinations for greater versatility