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Features
Welch Allyn 11720 Ophthalmoscope Head
- Halogen HPX™ lamp provides 30% brighter, whiter light output for true tissue color and consistent, long-lasting illumination
- Coaxial optics produce a shadow-free spot, easier entry into undilated pupils, and a larger field of view
- Polarizing filter virtually eliminates corneal reflection
- Red-free filter may be used with any aperture
- 18 unique aperture/filter combinations for greater versatility: micro, small, and large spot sizes, cobalt blue filter for corneal exams, fixation target, and slit aperture (all on a 6-position, continuously rotating aperture dial)
- Plus: red-free filter, polarizing filter, and unfiltered Halogen HPX on a 3-position switch--each position can be engaged with each of the 6 positions of the aperture dial, for a total of 18 possible combinations
- Sealed optics keep out dust and dirt for years of maintenance-free operation
- Rubber brow rest prevents scratching of eyeglasses
- 28 focusing lenses with a range of -25 to +40 diopters
