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 | 32 °F to 356 °F (0 °C to 180 °C) |
| Measuring Distance | 39.37 in (100 cm) |
| Measurement Time | 5 sec to 15 sec |