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 360° rotated and move upward and downward. |
◆ | Astigmatism axis can be quickly and precisely measured. |
◆ | The light can be converged, radiated and paralleled. |
◆ | Brightness can be continuously adjusted. |
◆ | Recharging conveniently and quickly. |
◆ | Overcharge prevention protects the battery. |
◆ | Optional head of ophthalmoscope. |
Specifications
Working Distance | 0.67 m |
Streak | 3mm~20mm |
Light Source | 3.5V/2.8W, halogen bulb |
Streak Rotation | 360° |
Input Voltage | AC 110V~240V, 50Hz/60Hz |
Power( Main Body of Retinoscope) | Li+ Battery Pack, DC 3.7V |
Power Consumption | 20 VA |