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CCTV Technical Support
Field of View Calculator
  Select the CCD Format: 1/4 inch CCD
1/3 inch CCD
  Enter any 2 of the 4 fields:(distance, width, height and lens size)
  Enter distance to object (in feet):
  Enter width of picture (in feet): or
  Enter height of picture (in feet):
  Enter size of lens (in millimeters):
  Press the "Calculate" button to get the missing piece of information. (Press the "Reset" button to clear the form and start over.)