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low light camera
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low light camera
Encyclopedia
工学
监控摄像机
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low light camera
低照度摄像机
在较低光照度的条件下仍然能够摄取清晰彩色图像的监控摄像机。光照度即光照强度,指单位面积上所接受可见光的能量,单位为勒克斯(Lux)。最低照度又叫灵敏度,是衡量摄像机感光度的指标,指摄像机能够呈现50%的标准亮度图像时的环境照度值。其测试条件和标准没有统一的规定,一般的低照度摄像机可达0.1勒克斯,星光级低照度摄像机可达0.001勒克斯及以下。
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