CCTV Hard Drive Calculator
CCTV Lens Calculator
|Size of CCD|
|Distance to Target||ft||Lens Required|
|Width of View||ft||mm|
NOTE: These calculators are provided for general information only and are not intended as a substitute for professional consultation. We advise you to call us if you have any question as to the accuracy of this information, or if you need help interpreting this information. eclipsesurveillance.com will not be held liable for damages resulting from the use, misuse or unlawful use of the information contained herein.