Complaint
| Telescope | |
| Objective aperture | 50mm |
| Magnification | 42X |
| Image | Erect |
| Field of view(at 100m) | 2.3M |
| Shortest focussing distance | 1.6M |
| Stadia ratio | 100 |
| Stadia constant | 0 |
| Accuracy(standard deviation for 1km double run leveling) | |
| Accuracy | ± 0.3mm |
| Compensator | |
| Setting time | ≤2s |
| Working range | ± 15′ |
| Setting accuracy | 0.2" |
| General | |
| Sensitivity of circular level | 5′/2mm |
| Water resistance | IP55(IEC60529) |
| Operating temperature | -30-+50°C |
| Parallel plate micrometer | |
| Range | 10mm |
| Interval | 0.1mm |
| Reading | 0.01mm |
