CCTV Lens Calculator

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Select the lens format:   


1/4 inch
1/3 inch
1/2 inch
2/3 inch
1 inch

Enter your conditions in two of the three lines listed below:

1. Enter distance to object (in feet):  

2. Enter picture width (in feet):   or enter picture height (in feet):  

3. Enter lens size (in millimeters):