Resolution is one of the big factors that needs to be considered prior to choosing a security camera system. With everything being “HD” these days, it makes it unnecessarily complicated. What does 'HD' actually mean? In short, it means 'high definition' but there's a tad more to it than that.
Understanding what it all means doesn't have to be hard. Resolution is the degree of visible detail within an image measured by vertical and horizontal pixels. For an example, 1080P is actually “1920 x 1080” meaning you have 1920 vertical pixels and 1080 horizontal pixels.
The basic thing to understand here is that more is better. Why, though? Because in security, the proof is in the details. Just like when you take photos on your smart phone and you're able to pinch and zoom in or out, you are able to do the same thing with security camera footage. What is happening when you pinch and zoom in is something called 'Digital Zoom' which takes the existing pixels that are there and stretches them on your screen. The higher resolution the image, the more you are able to do this stretching before the objects in the image become unrecognizable and blurry.
More of a visual person? Don't worry, I am too. Take a look at this resolution scale that compares the most popular resolutions on top of one another.
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