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How Far Will The Camera See?

A camera will see to infinity. If you point the camera towards the moon, it will see it. What the customer really wants to know is how far the camera will see with clarity. Do they want to recognize a face or see if a large truck is in a parking lot? This will determine the mm of the lens and the area of the coverage. There are various methods for determining what size lens to use in various circumstances, including lens wheels and computer programs. Here is a short summary of coverage for the most popular lens sizes: