The default values of these criteria of spatial resolution correspond to the five regions according to the CCTV Operational Requirements Manual 2009: Monitor and Control, Detect, Observe, Recognize, Identify.Ĭalculate values of spatial resolution (pixel density) and field-of-view size at specified distances from the camera. It is convenient to mark these distances on the obtained projections during CCTV design in any graphics program. It is convenient to use the resulting projection to draw them on the location plan during CCTV design in any graphics program.Ĭhoose the optimal camera resolution for specific tasks.Ĭalculate distances from the camera up to which the specified criteria of spatial resolution (pixel density) and field-of-view size are satisfied. The calculation of the projections is performed in a 3D coordinate system, depending on the parameters and height of the camera, the required range of heights, and the maximum distance of video surveillance. Along with the traditional function of many Lens Calculators - calculation of the field-of-view size depending on the distance and lens focal length, CCTV Design Lens Calculator offers several new, more effective tools.Ĭhoose the most suitable lenses, heights, and locations for camera installation to provide the required parameters of view areas.Ĭalculate the horizontal projection sizes of view areas to draw them on the location plan. CCTV Design Lens Calculator is a freeware app for CCTV design.
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