An excerpt from a buyers guide for a surveillance system
How to choose a CCTV Camera?
Choosing the correct CCTV Camera for your digital surveillance system is very important. The Digital CCTV Camera, together with a CCTV Lens, uses a CCD (Charge Coupled Device) sensor that captures the image and turns it into a signal that is sent to the monitor or surveillance system.
You will need to decide the following when choosing a cctv camera & lens for a digital cctv system:
1. The Digital Camera Location : Will the camera be situated Indoors / Outdoors
2. The amount or variance of light conditions for the digital cctv camera : Will the camera have to record in low-light conditions such as at night?
3. The Field of View required for the camera : How wide or narrow an angle of vision is required
4. The Focal Length
5. How far away objects you wish to record will be from the camera
6. Your budget
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