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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.)