Description
Technical Specifications
| Spherical Degree DS | Scope -10.5D to +7.5D Resolution 0.25D to 0.01D Precision to 0.5D to 20 % |
| Cylinder Power DC | Scope -3D to +3D Resolution 0.25D Precision +/-0.5D |
| Axis | Range 1 to 180 Resolution 1 Precision +/-10 +/- 5 |
| Working Distance | 39 in to 1.9 in (100 cm to 5 cm) |
| Examination Response Time | Less than 1 second |
| Size | 8.7 in x 7.2 in x 4.5 in (20.5 cm x 18.5 cm x 11.5 cm) |
| Weight | 2.2 lb (1Kg) |