Rechargeable Streak Retinoscope Zumax

Descriptions:

• High quality LED illuminations
• Large viewing window provides the clearest view
• multi coated  optics
• Single thumb control
• Durable metal optics housings and controls
• The well positioned filament can be rotated 360° and move upward and downward. Brightness of the streak can be adjusted.
• Quickly and precisely measure the astigmatism axis.
• The light can be converged, radiated and paralleled.
• Quick and convenient recharging, against over recharging.
• Zoom illumination adjustment.