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Glossary: Megapixel IP Camera

Megapixel resolutions are starting to become more and more prominent in the IP camera market and with high resolution output they offer a lot more to the security industry than their non-megapixel counterparts.


Of course the main benefit of a megapixel IP camera is the resolution of the images it delivers. Digital images are made up from picture elements (or pixels) and the more pixels which make up an image will increase the sharpness and clarity of the image. A megapixel IP camera has more pixels than a non-megapixel camera so therefore the images it delivers will be crisper, sharper and contain more detail. Also, because it uses more pixels to render a face or an object (such as a license plate), it is ideally used in security applications where capturing detailed information in required.

Field of View

Megapixel IP cameras also typically contain a larger field of view than traditional CCTV cameras. Sometimes it is cost-effective to consider megapixel cameras in security systems as they can replace several fixed-mount analogue CCTV cameras in certain applications.

Digital Pan-Tilt-Zoom

Another feature which some megapixel IP cameras support is digital pan-tilt-zoom. This feature allows the user to digitally zoom-in and manipulate the image in real time using pan-tilt controls, without the camera physically moving the lens. The way it achieves this is due to the size of the image being, in most cases, larger than the screen size that it’s being displayed on. This allows you to zoom into the picture a few steps with no loss of quality and pan-tilt to view areas of interest. Most cameras will allow you to do this live and in real-time and some will also allow this on recorded playback too.

Published on July 11th, 2008 by Greg

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