ADC 5442X Coax Plus Ophthalmoscope Head, 3.5v, Xenon

Features:

• High performance aspherical condenser lens reduces corneal reflection
• Further reduction provided by utilizing distinct parallel observational and illuminating light beam. (Gullstrand's principal)
• Ergonomic design and integral thumb rest improves stability and allows one finger control of all functions
• Synthetic rubber brow rest facilitates use with practitioner eyeglasses
• Dust proof
• Magnified/illuminated aperture viewing window
• Universal bayonet mount for compatibility with other brands of 3.5v power supply handles
• Anti-theft locking feature is standard
• Secondary Focusing wheel with zero retention for quick correction of ametropias. Use this to provide virtually unlimited fine focus OR as a fast focus in lieu of the 89 viewing lenses
• 89 viewing lenses - Plus single step from 1-45. Minus single step from 1-44
• 28 aperture/filter combinations for improved versatility