| Magnification |
30x |
| Effective objective lense diameter (mm) |
75 |
| Field of view (ft/1000yds / m/1000m) |
123 / 41 |
| Field of view for spectacle wearers (degrees) |
2.1 |
| Field of view, apparent (degrees) |
66 |
| Shortest focusing distance (ft / m) |
33 / 10 |
| Objective lens focal length (in / mm) |
18.1 / 460 |
| Diopter correction at ∞ (dpt) |
> 5 |
| Light transmission (%) |
84 |
| Length approx. (in / mm) |
12.2-19.3 / 310-490 |
| Weight approx. (oz / g) |
42.3 / 1200 |
| Functional temperature |
-13 °F to +131 °F (-25 °C / +55 °C) |
| Storage temperature |
-22 °F to +158 °F (-30 °C / +70 °C) |