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Field of View Calculator
Written by Dave Fisher
Courtesy of Pelco: www.pelco.com

Instructions:

·  Select the lens format you are using.

·  Enter any 2 of the 3 other pieces of information.

Press the "Calculate" button to get the missing piece of information. (Press the "Reset" button to clear the form and start over.)

 

 

 

Select lens format:

 

1/4 inch

 

 

1/3 inch

 

 

1/2 inch

 

 

2/3 inch

 

 

1 inch

 

 

 

Enter distance to object (in feet):

 

 1

 

 

 

Enter width of picture (in feet): or

 

 2

Enter height of picture (in feet):

 

 2

 

 

 

Enter size of lens (in millimeters):

 

 3

 

 

 

 

 

 

 

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