| Trueyard 图雅得 NVM-2550 夜视仪（1代+，5x50) | |
| Trueyard 图雅得 NVM-2550 夜视仪详细参数： | | 参数 | 指标 | | 增强管 | 1代+ | | 镜头 | 第三代True-lens光学镜头 | | 分辨率 | 45lp/mm | | 物镜倍率Lens magnification,x | 5 | | 物镜系统Lens systems | 80mmF/1.7 | | FOV at distance 100m/110yards,m | 15/62 | | 视场Field of view,deg | 12.5 | | 调焦范围Focus range,m | 1.0 to infinity | | 物镜直径Objective lens diameter,mm | 50 | | 重量Weight,g | 460 | | 尺寸Overall dimensions,mm | 200X80X50 | | 观察距离Detecyion range,m | 350/260 | | 瞳孔直径Exit pupil duaneter,mm | 6 | | 屈光度Eyepiece Duioer adjustment,dptr | +4/-4 | | 瞳孔距离Eye relief,mm | 15 | | 电池寿命（开IR）Battery life IR on,hour | Up to 20 | | 电池寿命（关IR）Battery life IR on,hour | Up to 60 | | IR功率IR Power,mw | 25≤ | | IR波长IR wavelength,nm | 850 | | IR有效距离IR effective distance,m | 25 | | 防水标准IP standard of water-resistence | IPX4 | | 湿度Humidity,% | 93 | | 操作温度Operating temperature,℃ | -30°to+45° | | 储藏温度Storage temperature,℃ |
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