
Special equipment for measuring refraction deflection and astigmatism axis
All lens made of glass give more clear image
Beautiful structure, convenient to operate
The well positioned glower can be rotated 360°upward and downward
Specification
|
Illumination bulb |
3V/2.1W halogen bulb |
|
Working distance |
1m |
|
Adjustable steak |
3-20mm |
|
Streak rotation |
360° |
|
Power supply |
AC220V±10% 50HZ±10% AC110V±10% 60HZ±10% |