This is a rechargeable streak retinoscope, Li-on battery, fully charged can be continuously used for at least 2 hours
Specification
Illumination bulb |
3.6V/2.6W mini halogen bulb |
Big facula Φ3.2m, small facula Φ1.6m, slit light, central grid, no red |
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Refraction compensation: 0, ±1D, ±2D, ±3D, ±4D, ±5D, ±6D, ±8D, ±10D, ±12D, ±16D, ±20D, ±25D |
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Output |
5VA |