Technical Specifications
| Sphere Power Range | -8.00 D to +8.00 D |
| Cylinder Power Range | -3.5 D to +3.50 D (±0.25D) |
| Cylinder Axis | 0° to 180°, |
| Measuring Distance | 39.37 in (100 cm) |
| Measurement Time | <15 sec |








This electronic handheld refractometer has a cylinder axis of 0° to 180°, a measuring distance of 39.37 in (100 cm), and a measuring time of <15 sec.
| Sphere Power Range | -8.00 D to +8.00 D |
| Cylinder Power Range | -3.5 D to +3.50 D (±0.25D) |
| Cylinder Axis | 0° to 180°, |
| Measuring Distance | 39.37 in (100 cm) |
| Measurement Time | <15 sec |
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