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cctv field of view calculator 3

https://golf-wiki.win/index.php/How_a_Camera_Placement_Planner_Saves_Time_and_Improves_Coverage

This tool helps you figure out exactly what a security camera will see based on its lens and placement. You input the lens focal length and sensor size, then adjust distances to see the resulting width and height of the captured area. It's handy for planning coverage without guesswork, whether you're mounting a camera over a warehouse aisle or positioning one to watch your driveway.