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

High-performance aspherical condenser lens reduces corneal reflection
Further reduction provided by utilizing distinct parallel observational and illuminating light beams (Gullstrand’s 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 wall plug (available in US or Euro fittings)
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

ADC Diagnostix 54122 3.5V Portable LED Coax Plus Ophthalmoscope