nombre del producto：20-60x80
parametros del producto：
| Objective Dam(mm) | 80 |
| Magnification | 20-60x |
| Field of View(m/1000m) | 45-15 |
| Exit Pupil(mm) | 4-1.33 |
| Close Focus Distance(m) | 10 |
| Prism Glass | Bak4 |
| Eye-Relief(mm) | 18-15 |
| Waterproof | Yes |
| Fogproof | Yes |
| Coating | Fully Multi-Coated |
| Nitrogen Purged | Yes |