| Optical System | Greenough |
| Zoom Ratio | 2 : 1 (2x-4x) |
| Total Magnification | 40x |
| Object Field | - |
| Working Distance | 95mm |
| Observation Tube | Binocular head,45° inclined, 360º rotating |
| Achromat | - |
| Plan Achromat | - |
| Apochromat | - |
| Dimensions (W x D x H) | Depends on model |
| Weight | Depends on model |