Description
Technical Specifications
| Spherical power | -8.00D to +8.00D (±0.26D) |
| Cylindrical power | -3.5D to +3.50D (±0.26D) |
| Pupil distance | 1.96 in x 2.75 in (50 mm to 70 mm) |
| Axis | 0 ° to 180 ° |
| Measuring distance | 39.37 in (100 cm) |
| Measurement time | 5 sec to 15 sec |