Welch Allyn Welch Allyn AutoStep Hand-Held Ophthalmoscope AutoStep Coaxial Set 3.5 Volt - 11790

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• Includes hard carrying case
• The Welch Allyn AutoStep Coaxial Ophthalmoscope uses a Halogen HPX lamp that provides 30 percent more light output, for true tissue color and consistent, long-lasting illumination
• Its 68 lenses in one diopter steps provide better resolution
• It has 6 apertures for general and specialist use
• Its rubber brow rest prevents scratching of eyeglasses
• Its illuminated lens dial clearly identifies settings
• The coaxial optical system produces 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
• The 18 possible aperture combinations provide greater versatility, and the sealed optics provide better dust protection
• The chrome-plated brass handle rests comfortably in the hand
• It comes with an adjustable rheostat control and smooth, knurled finish for a no-slip grip
• Safety switch prevents accidental battery drainage