Finding the Right Security Camera
Security Cameras are complicated, and finding the right one can be a challenge. Decision must be made about lights, security goals, lenses, and camera types. This article will cover three camera types: infrared, bullet and dome cameras.
Bullet security cameras are extremely flexible. Bullet cameras have removable lenses that can be swapped in or out depending upon the current security needs. Because they can be used for many different purposes, bullet cameras are often the least expensive security cameras, as if something in the security setup changes a whole new camera does not need to be bought.
Durable and hardy, bullet cameras are extremely effective outdoor cameras. They also have ratings that declare the temperature conditions, wind speeds, and are either water resistant or water proof.
Infrared technology is the basis for the second type of camera, the infrared security camera. Infrared technology, which is also found in night vision goggles, heat seeking missiles, and television remotes, measures infrared radiation (a by product of heat). It then coverts those measurements into video.
There are two drawbacks to infrared security cameras. First, because they are converting the heat signature readings into video, they can only do so in black and white. Secondly, as infrared cameras capture infrared radiation, sunlight (which also emits infrared light) can overwhelm the camera, making it worthless during the day.
Dome Cameras are the last type of camera discussed in this guide. Dome cameras are known for the tamper proof dome that encases their lens. Dome cameras are also the cheapest cameras around. They mount from the the top, and thus are used almost exclusively inside.
Dome cameras have restrictions that need to be addressed. They should not be used to capture video beyond 300 feet, as their small size and protective shield prevents them from having lenses that are capable of zooming that far. Dome cameras are used almost exclusively in hallways in hospitals, medical offices, and other offices.
In short, if you want to use a security camera outdoors it is best to use a bullet camera. If you need to see in complete darkness, the only option is to use an infrared camera or at least one with infrared technology. And lastly, a dome camera is an excellent camera to use inside, especially in hallways.
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