Field of View Calculator
Calculate horizontal and vertical field of view, and coverage area for any camera and lens combination
About this calculator
The Field of View Calculator helps photographers, videographers, and security professionals determine the exact coverage area of any camera and lens combination. By calculating both horizontal and vertical field of view angles, you can precisely plan camera positioning, ensure proper coverage for surveillance systems, or select the right lens for your photography needs. This tool eliminates guesswork and saves time during equipment setup and planning phases.
How to use
Enter your camera's sensor size and lens focal length into the calculator. The tool will automatically compute the horizontal and vertical field of view angles in degrees. You can also input the distance to your subject to calculate the actual coverage area dimensions at that specific distance.
Frequently asked questions
What is field of view in photography?
Field of view is the angular extent of the scene captured by a camera lens, typically measured in degrees horizontally and vertically.
How does sensor size affect field of view?
Larger sensors provide wider field of view with the same lens, while smaller sensors create a cropped, narrower field of view.
Why is field of view important for security cameras?
Field of view determines coverage area, helping position cameras optimally to monitor specific zones without blind spots or unnecessary overlap.