| Optical System | Parallel optical zoom system |
| Zoom Ratio | 1:06 [SZ806] / 1:08 [SZ808] / 1:10 [SZ810] |
| Total Magnification | 50x [SZ806] / 64x [SZ808] / 80x [SZ810] |
| Object Field | - |
| Working Distance | 78mm |
| Observation Tube | Binocular Head, 20° Inclination, Interpupilary distance 55-75mm |
| Achromat | 0.3x| 0.5x |
| Plan Achromat | 2x |
| Plan Apochromat | 0.5x |
| Dimensions (W x D x H) | Depends on model |
| Weight | Depends on model |