20-60x80 outdoor long range telescope spotting scopes(BM-SC33B)
| Magnification | 20-60x |
| Objective Diameter(mm) | 80mm |
| Type of Prism | Porro/BK7 |
| Number of Lens | 7pieces4groups |
| Lens Coating | BMC |
| Focus system | Cent. |
| Exit Pupil Diameter(mm) | 4mm at 20X/1.33mm at 60X |
| Exit Pupil Distance(mm) | 18mm at 20X/15mm at 60X |
| Angle of View | 1.8° at 20X/1.0° at 60X |
| Field of View | 942ft/1000, 31.4m/1000m at 20X/52.5ft/1000yds, 17.5m/1000m at 60X |
| Min. Focal Length(m) | 6m/18ft |
| Relative Brightness | 16 at 20X /1.77at60X |
| Twilight Index | 40at 20X, 69.3 at 60X |
| Resolution | ≤2.8" |
| Weather Proof | Yes |
| Waterproof | 1.5m/3min |
