Description
Technical Specifications
| Spherical Degree DS Scope | -10.5 D to- +7.5 D |
| Spherical Degree DS Resolution | 0.25 D to 0.01 D |
| Spherical Degree DS Precision | ±0.5 D, ±20 % |
| Cylinder Power DC Scope | -3 D to +3 D |
| Cylinder Power DC Resolution | 0.25 D |
| Cylinder Power DC Precision | +/-0.5 D |
| Axis Range | 1 to 180 |
| Axis Resolution | 1 |
| Axis Precision | + or -10 + or – 5 |
| Working Distance | 39.3 in to 1.9 in (100 cm to 5 cm) |
| Examination Response Time | Less than 1 second (1 s) |
| Size | 8.07 in x 1.9 in x 4.5 in (20.5 cm x 5 cm x 11.5 cm) |
| Weight | 2.2 lb (1 kg) |