Description:

Special equipment for measuring refraction deflection and astigmatism axis
It is beautifully constructed, give an intensive illumination, and is covenient to operate.
The well positioned glower can be rotated 360 degrees upward and downward, The
brightness can be adjusted.
Specifications
Working distance: 1m
Adjustable range of streak: 3mm-20mm
Streak Rotation: 360 degrees
Illumination source: 3V/2.1W halogen bulb
Power: AC 220V/50Hz 110V/60Hz