| Measuring way | Fisso interference principle |
| CAL | 25.4mm |
| size | 230 (long) × 265 (wide) × 430 (High) mm |
| Laser source | Semiconductor laser(λ=635nm) |
| Resolution of the | 795H*596V |
| Accuracy of plane test | P-V λ/20,RMS λ/100 |
| Spherical surface accuracy | P-V λ/10,RMS λ/50 |
| The power supply | AC 220V 50HZ |
| Standard accessories | 10-inch liquid crystal display |