Complete instrument includes our 3.5V Coax Plus Ophthalmoscope head, plug-in rechargeable Li-ion battery handle in a zippered padded nylon case.

Coax Plus Ophthalmoscope Head (p/n 5442) features:

• High-performance aspherical condenser lens reduces corneal reflection
• Further reduction provided by utilizing distinct parallel observational and illuminating light beams (Gullstrand Equation)
• 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
• Choose from halogen/xenon or high-performance AdLED illumination
• Two-year warranty on instrument, lifetime warranty on AdLED lamp
• 89 viewing lenses from -44 to +45 in single step
• 28 aperture/filter combinations for improved diagnostic capability
• Secondary focusing wheel with zero retention for quick correction of ametropias, provides virtually unlimited fine focus or fast focus in lieu of the 89 viewing lenses
• The addition of a Karo (grid) aperture that allows for easier transfer of observations to standard Karo (graph) paper

6 apertures include:

• Slit “ used to help determine levels of tumors and lesions
• Fixation;“;has graduated crosshairs for measuring eccentric fixation or locating lesions
• Large;“;standard aperture for a dilated pupil and general examination of the eye
• Small;“;provides excellent view of fundus through an undilated pupil
• Micro spot;“;allows quick entry into small, undilated pupils
• Half moon;“;provides a combination of depth perception and field of view

3 filters (plus neutral) include:

• Red free;“;excludes red rays from examination field for easy identification of veins, arteries, and nerve fibers
• Cobalt;“;used with fluorescent dye to view small lesions, abrasions, and foreign objects on the cornea
• Polarizing “ virtually eliminates corneal reflection

Battery Handle features:

• C-sized handle with 1400mAh Li-ion battery
• CNC machined from solid brass, the handle is chrome plated in black with a ribbed surface for a sure grip
• Adtronic electronic rheostatic light intensity control provides infinite continuous control and auto-off feature after two minutes
• Top half of handle unscrews to access U.S. wall plug (EU compatible plug option is available; add "-EU" to model number when ordering)
• Li-ion battery provides two to three hours continuous use with halogen/xenon lamp, 30 hours use with LED lamp when charged for 24 hours
• Up to 1,200 charge cycles
• Universal bayonet mount for compatibility with other brands of 3.5V instrument heads