Welch Allyn 11735 Coaxial Plus Autostep Gold Ophthalmoscope Head

Features:

• Halogen HPX® lamp illumination for true tissue color 18 unique aperture/filter combinations for greater versatility. 
• Opacity setting filter aids easy eye entry with the brightest Halogen HPX light 
• Neutral density filter allows for entering healthy eyes without unwanted reflex 
• 68 lenses in single-diopter steps for precise resolution (+38 to -30) 
• Compatible with all existing Welch Allyn 3.5 V power sources 
• Look for the traditional "flat-top" design you've come to trust.