Pan-Tilt-Zoom Cameras, also known as PTZ cameras, are excellent devices to use when you want to 'look around' your surveillance area. PTZ cameras generally cost two to three times the price of a fixed camera system but with them you gain the flexability and control to monitor large areas in more detail.
PTZ cameras allow you to pan a large area, tilt up and down, and zoom in on anything or anybody within the sight of the lens.
PTZ cameras can be set to automatic or manual mode or both. In automatic mode, hundreds of points can be set for the camera to look at. The duration that the camera looks at a given set point can be adjusted from less than a second to as long as you would like.
There are some benefits between different models. Some have 17x zooms while others have 50x zooms or more. Some are used only indoor others are built for outdoor use. Some can see in low light applications while others are strickly for day time use.
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