Field of View Calculator

Instructions:

  1. Select the lens format you are using.

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

  3. 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
Enter height of picture (in feet):
    		2
Enter size of lens (in millimeters): 3