yisha | ramadhan

cctv camera manufacturers 2011/09/29 20:25 L R X
Some people will deliberately destroy cameras. Some cameras can come with Dust-Tight, Pressurized, Explosion proof,http://www.kingdisplay.net/ cctv camera and bullet-resistant housings.[7]
Spraying substances over the lens can make the image too blurry to be read.
Lasers can blind or damage them. However, since most lasers are monochromatic, color filters can reduce the effect of laser pointers. However, filters will also impair image quality and overall light sensitivity of cameras (see laser safety article for details on issues with filters). Also, complete protection from infrared, red, green, blue and UV lasers would require use of completely black filters, rendering the camera useless.

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