Focal length calculation - CCTV Services https://www.cctv-services.com CCTV Security Systems, CCTV Monitoring & Response Solutions. Fri, 07 Mar 2025 04:38:48 +0000 en-US hourly 1 https://wordpress.org/?v=6.7.2 How to Calculate CCTV Camera Field of View for Optimal Coverage? https://www.cctv-services.com/how-to-calculate-cctv-camera-field-of-view-for-optimal-coverage/ Fri, 07 Mar 2025 04:38:35 +0000 https://www.cctv-services.com/how-to-calculate-cctv-camera-field-of-view-for-optimal-coverage/ Answer: A CCTV camera field of view (FOV) calculator determines the area a camera can monitor based on its lens focal length, sensor size, and distance from the target. Use the formula FOV = 2 * arctan(Sensor Size / (2 …

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