| 项目Model |
4～16×50SFIRF |
| 倍率Power |
4*～16* |
| 物镜直径（mm) Objective Diameter (mm) |
50 |
| 目镜直径（mm) Ocular lens diameter (mm) |
34 |
| 目镜长度（mm) Ocular length (mm) |
55.8 |
| 视场（ft@100yds) Field of View (ft@100yds) |
25.15～6.3 |
| 视场（M @100M) Filed of View (m/100m) |
8.4~2.1 |
| 物镜视场角 F.O.V. angle (°)F.O.V. angle (°) |
4.8o-1.2o |
| 出瞳直径（㎜）Exit Pupil (mm)Exit Pupil (mm) |
12.2～3.0 |
| 调焦量(YDS) Focus range (YDS) |
35～∞ |
| 镀膜 Coating |
Green multi coated |
| 透镜数量 Number of lens |
11 |
| 架枪长度 Mount length (mm) |
199.9mm |
| 调焦类型 Focus type |
side focus |
| 视差（屈光度） Parallax |
±0.125 |
| 出瞳距离（in) Eye relief (in) |
5.11～3.5 |
| 分划形式 Type of reticle |
illuminated red/green mil dot |
