How to Choose a Security Camera
by Chad Buie Choosing a security camera can be difficult, as there are many options. Before deciding on a specific model, general questions must be a...
Choosing a security camera can be difficult, as there are many options. Before deciding on a specific model, general questions must be answered: will the camera be inside or outside? in good lighting conditions or in darkness? How far away does the camera need to capture. This guide covers three camera types: bullet, infrared and dome cameras.
Things change, but when they do so can a bullet security camera. A bullet camera’s interchangeable lenses allow it to adapt to changing security needs, which often makes it less expensive than other cameras. Also many bullet cameras lenses have infrared technology that automatically detects when there is not enough light to capture color video.
Bullet cameras are also very durable, and can still work in extreme conditions, such as heat, cold, rain, and even high wind (some models can even withstand hurricane conditions). They make excellent outside security cameras.
The second type of camera is an infrared security camera. Infrared technology measures infrared radiation (which is the byproduct of heat). Infrared cameras can capture video in complete darkness, as infrared technology is most know for its use in night vision goggles.
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.
The third type of security camera is a dome security camera. Dome cameras are the least expensive cameras around, but are generally only used inside, as they generally mount from above. Dome cameras also have protective shields which make tampering with them very difficult.
The dome on a dome security camera does have two drawbacks. First, it prevents most dome cameras from being used outside as most dome cameras must be hung from the ceiling. Secondly, dome camera’s domes prevent these cameras from installing long distance lenses, so you will not be able to capture video beyond 300 feet.
In summary, dome security cameras make excellent and inexpensive indoor cameras. Infrared cameras allow security personnel to see in complete darkness by interpreting video from heat signatures. And bullet cameras are extremely adaptable security cameras that really shine when used outside.
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