红外线摄像头晚上没开灯能看多远

2025-03-15 13:55:12
推荐回答(1个)
回答1:

如果白天20多米还有可能看清,
晚上,尽尽一个电视的光亮是不可能看清的,
因为摄像头只要红外线打开,就只有黑白图像并且还有噪点,10米开外图像就模糊了
就算是大功率红外线聚焦摄像头,20多米的图像效果顶多是一个白色幽灵般的轮廓,根本谈不上清晰,况且一般门市装的监控都是普通几百块的红外线监控,没有必要担心。
20多米以外,只要摄像头不是正对着你,别说开灯,就是白天也看不清,
我是搞监控安装的,一般门市外的摄像镜头都是装的广角镜头,照的场景面比较大,但是相对人物图像就比较小了,10米以内还可以看清,再远了那就模糊了
放心了,只是有那个轮廓,没有必要了

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