nombre del producto：20x80HD
parametros del producto：
| Magnification | 20x |
| Caliber(mm) | 80 |
| Prism System | Porro |
| Prism Glass | BaK4 |
| Focus System | Center |
| Field Of View（ft/1000yds） | 147 |
| Exit Pupil(mm) | 4 |
| Eye Relief(mm) | 20 |
| Eyecup Type | Fold down |
| Resolution | 2.6〞 |
| Fog proof | Yes |
| Water proof | Yes |
| Nitrogen Filled | Yes |
| Coating | Full Multi-Coated |