The dome security camera is one of the most popular types of digital video security camera in use today. Thanks to modern technological advances a lot of electronic power can be packaged inside a small 3.5 inch diameter dome camera. Not only are they small and powerful, but the average dome security camera is light weight as well (in most cases weighing just under one pound), which makes it easy to mount just about anywhere.
A home security gate camera can alert to you to approaching visitors long before they reach your door, prevent unwanted and unnecessary solicitors and assist in providing gate access control.
What exactly is a 640 x 480 infrared camera? This can be a complicated answer for many reasons. In the following article we will attempt to address some of the characteristics that can make this seemingly simple question so complicated. Specifically, we will briefly discuss infrared technology and the reference to display resolution and how they relate to a 640 x 480 infrared camera.
Do security cameras need infrared digital camera lenses to produce infrared video images? How does an digital video infrared camera produce infrared images?
A camera mounted infrared illuminator is used with most night vision infrared digital video surveillance and security cameras to provide invisible light that is used to create an infrared digital video. The illuminator is normally aimed in the exact same direction of the camera lens so that it can provide infrared light beams to illuminate the target area. Infrared illumination can be “seen” by the camera, but cannot be seen by the human eye.
