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How to Choose a Surveillance Camera Lens

Published by Marie on August 11, 2015 11:24 AM

How-to-Choose-a-Lens-8-11-15.jpgWhen researching video surveillance cameras, you will quickly realize that the lens a camera has is incredibly important for the type of video you want. When it comes to choosing the type of camera lens you want, do you know the most important factors to look at?

There are generally three types of lenses - normal, wide angle, and telephoto. A normal lens (one that isn't wide angle or telephoto) captures video that looks similar to what you would see looking at the scene.

A wide angle lens can capture a larger view of the same scene, a great option for when you want your surveillance camera to monitor general activity in a large area like a parking lot. A wide angle lens can't capture fine details, however, because it's not designed to focus in on small or close-up objects. One specialized type of wide-angle cameras is fisheye or panoramic.

For a close-up video, you'll want a telephoto lens. A telephoto lens is a long-focus lens, and will be able to focus on one specific area; this allows it to capture something, say a license plate, from a distance but will not provide an over-all view of the parking lot.

Another lens option to pay attention to are remote focus lenses - this will allow you to automatically focus the camera lens without physically adjusting it.

So how do you know what type of lens to choose? Before purchasing the camera, decide what you want to do with it. If you want a camera that can provide a view of the entire parking lot, you know to only look at wide angle cameras. If you want to capture fine details from a distance, limit your search to telephoto lens cameras. This will help you focus on only the cameras that will meet your surveillance goals.

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