| 项目Model |
3-12×50SFIRF |
| 倍率Power |
3×-12× |
| 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) |
70 |
| 视场（ft@100yds) Field of View (ft@100yds) |
31.5-9 |
| 视场（M @100M) Filed of View (m/100m) |
10.5-3 |
| 物镜视场角 F.O.V. angle (°)F.O.V. angle (°) |
6o-1.72o |
| 出瞳直径（㎜）Exit Pupil (mm)Exit Pupil (mm) |
16.3-4.17 |
| 调焦量(YDS) Focus range (YDS) |
30～∞ |
| 镀膜 Coating |
Green multi coated |
| 透镜数量 Number of lens |
13 |
| 架枪长度 Mount length (mm) |
130mm |
| 调焦类型 Focus type |
side focus |
| 视差（屈光度） Parallax |
±0.125 |
| 出瞳距离（in) Eye relief (in) |
3.5-3.35 |
| 分划形式 Type of reticle |
illuminated red/green mil dot |
| 管径（in) Mian body diameter (in) |
1.34 |
| 视度筒直径（in) Ocular cell diameter (in) |
1.67 |
| 表面颜色 Color finish |
Black matte |
| 护目罩（有、无） Eye guard |
Yes |
| 视度调节（D） Diopter compensation |
-3～+2 |
| 水平调节运动范围（左右）(in) Windage movement range |
±15 |
| 高低调节运动范围（左右）(in) Elevation movement range |
56 |
| 咔嗒值（MOA/CLOCK) MOA/click |
0.25MOA |
| 长度（mm) Length (mm) |
348 |
| 结构 Construction |
One piece tube |
