| Model | 10x50-NF |
| Magnification | 10x |
| Objective lens diameter(mm) | 50 |
| Exit pupil diameter(mm) | 5 |
| Relative brightness | 25 |
| Twilight factor | 22.4 |
| Eye relief | 19 |
| Field of View , real (degree) | 6.5° |
| Field of View , apparent(degree) | 65° |
| Field of View , real (m/1000m) | 114 |
| Field of View , real (ft/1000yds) | 342 |
| Close focusing distance (m) | 5 |
| Diopter compensation (dpt) | ±4 |
| Interpupillary distance (mm) | 53-74 |
| Dimension(HXWXD) ( mm) | 175x198x64 |
| Weight (g) | 915 |
| Prism system | Porro prism system |
| prism glass | Bak4 |
| Focusing system | Center focusing system |
| Objective lens structure | 2 elements/1groups |
| Eyepiece lens structure | 4elements/3groups |
| Lens and prism coating | Fully multi-coated on all exposed lenses |
| Eyecup style | Twist up with 3 click stops (Metal) |
| Waterproof | Yes |
| Adapt to tripod | Yes |