| 出生地 |
China (Mainland) |
| 牌子的名字 |
BKO |
| 模式的数量 |
YSH55 |
PerformanceparameterLens magnification , x 5 Objective lens diameter(mm) 50 Lens system 80mmF/1.7 FOV at distance100m/110yds(m) 16/52 Field of view (°) 12.5 Focus range(m) 1.0 ∞ Exit pupil diameter(mm) 6 Eye relief(mm) 15 Eyepiece Diopter adjustment(dptr) +4,-4 Power supply AA1.5v Battery life IR On(hour) 20 Battery life IR Off(hour) 60 Overall dimensions,LxHxW,(mm/in) 203x81x61 Weight,(g) 613