| type | small | large-scale |
| Countertop size (mm) | 350×202 | 400×225 |
| Measuring range (mm) | 150×100 | 200×100 |
| Focusing range (mm) | 0~90 | |
| Resolution (mm) | 0.001 | |
| Instrument accuracy | 3+L/75μm (where L is the measured length, unit: mm) | |
| Workbench load capacity (kg) | 5 | |
| Objective lens magnification | 10× | 20× | 50× | 100× |
| Objective lens object-side field of view | φ30mm | φ15mm | φ6mm | φ3mm |
| Working distance of objective lens | 75mm | 69 mm | 44 mm | 26 mm |