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Whatever Kind of System You Need, Our Consultants Can Get You The right System, Including Installation. Get Our 4-Channel Package For $1000 Video Surveillance For Government. Get Our 8-Channel Package For $1800 Video Surveillance For Businesses. Get Our 16-Channel Package For $2300 Video Surveillance For Schools & Universities. Call your Security Constultant today at 800-440-1662.
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