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4MP versus 1080P Video Resolution

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4MP versus 1080P Video Resolution In today’s video surveillance landscape, it seems as if the sky’s the limit when it comes to what’s possible in terms of video resolution. Newer high-end analog, and especially digital cameras, are now routinely delivering video surveillance footage that rivals the clarity, detail, and smooth flow of the best high definition (HD) television programs displayed on your home HD television set. At present, consumers have two top choices when it comes to top-of-the-line video resolution: 1080p HD and 4MP. What’s the difference? And which is better?

1080p HD

1080p provides remarkable clarity. 1080p cameras produce images with 1920 x 1080 pixels per unit. Also known as “full HD,” this is the standard that most of us are familiar with from watching HD television programs on our home HD television sets. This image quality is roughly equivalent to 2.1 megapixels. A megapixel is one million individual pixels. A pixel (derived from: picture element) is an extremely small point. Taken together, pixels combine to create an image. More pixels per unit of viewing area means more detail.

4MP Ultra HD

Among professional photographers, a still camera featuring 4MP would be described as having “excellent” video display, and “excellent” print resolution, up to 8” x 10”. In contrast, a still camera that shoots photographs at 1080p resolution would only yield “very good” 8” x 10” prints. Bottom line: both deliver excellent high resolution images, but new 4MP edges out older 1080p HD.

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