Features
- Binocular diopter measurement
- Pupil diameter measurement
- Auto operation distance in 1 meter
- Quick screening within 1 second
- Portable and light in weight
- Changeable and recharge
Technical Specifications
| Ds Range | -7.50 D to +7.50 D |
| Ds Accuracy | ±0.25 D |
| Dc Range | 0.00 D to 3.00 D |
| Dc Accuracy | ±0.50 D |
| Axis Range | 1° to 180° |
| Axis Accuracy | ±10° |
| Pupil Distance Range | 1.37 in to 3.14 in (35 mm to 80 mm) |
| Measuring Distance | 39.37 in (1 m) |
| Detection Time | ≤15 s |
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