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Whether you are looking to learn about video security technology in general or calculate the requirements for your specific security application, our video surveillance resources have you covered.


Compare the Field of View for Various Lenses

Choose from multiple scenarios and focal lengths to find the lens will work for your application.

Use this tool to see how different lens sizes affect the field of view (FOV) of your security camera. Try different scenes to find one that most closely matches your security application.

Note: A 4mm lens provides the widest FOV and a 60mm (telephoto) lens provides the narrowest FOV.

Use this tool to compare the field of view for video security cctv cameras. Choose from standard video security cctv camera lens sizes and several environments which you would setup a video security surveillance system.