FREQUENTLY ASKED QUESTIONS - P
PAL
PAL is the standard color video format used in most of Europe, Asia, Israel, and many other places in the world. Black and white CCIR products are also generally referred to as PAL because all PAL equipment can also handle black and white CCIR video.
Pan/Tilt/Zoom (PTZ)
Pan/Tilt/Zoom (PTZ) indicates equipment with the ability to pan, tilt, and zoom, usually by remote user control. Much of PTZ equipment is completely integrated, meaning there is only one controller necessary to operate all three features.
Pinhole Camera
Pinhole Camera indicates a video camera with a tiny pinhole lens built-in standard with the camera.
Pinhole Lens
Pinhole Lens is only 1/16th of one inch in diameter, so cameras with tiny pinhole lenses can easily be hidden for covert video surveillance applications. Cameras with this type of standard lens are typically referred to as pinhole cameras.
Pixel
Pixel - A camera's CCD image sensor consists of thousands of tiny sensor elements known as pixels. These sensors detect information about light and colors and translate that information into a viewable video image through digital signal processing. Of the total pixels on a CCD imager, some are constantly dormant while others are effective and actively work to create an image.
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