Retinoscope

The product can quickly and precisely measure the astigmatism axis and is one of the necessary instruments in optometry inspection. Features: The filament can be rotated for 360° and move upward and downward. The brightness of the streak can be adjusted. Quickly and precisely measure the astigmatism axis. The light can be converged, radiated, and paralleled. Automatic Power Off function effectively protects the bulb. Two-steps adjustable brightness for bulb: S(Bright) and W(Dark). Technical Specifications: Working Distance 1 m Streak 3 mm-20 mm Streak Rotation 360° Illumination Source 3V/2W, halogen bulb Input Voltage AC 220V±10%, 50Hz±1Hz Power Consumption 4.5 VA