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CCTV Lens Calculator
Online CCTV Camera Lens Calculator
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This calculator will determine the focal length of the lens needed
-OR-
determine the field of view of a given lens
1) Choose which item you want to calculate for
2) Select the imager size/format of the camera
3) Enter the distance from where the camera is mounted to the area that is to be viewed
4) Enter the horizontal and vertical size (FOV) of the area that is to be viewed -OR- the focal length of the lens if known
5) Click the Calculate button to generate the missing information
