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为什么openmv夜视效果那么差,噪点太多,去掉ir滤片,加红外又全白一片,怎么解决,可不可以外接效果好一些的摄像头,谢谢指导
1.开红外补光灯。 2.用红外镜头,不带红外滤光片,或者使用840nm只感红外的滤光片。
840nm滤光片哪里有卖