Field of View Calculator Instructions:
Enter the distance to the target object, and focal length of the lens.  Click "Calculate" to see the field of view you can expect with that lens. 
"H" is the Horizontal or the Width of the picture in feet. 
"V" is the Vertical or the Height of the picture in feet.
 
Distance to Target : ft
Lens Size : mm
Field of view (H x V) ft x ft
Calculate Clear
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