Lens 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 Size of Lens (in millimeters)

Enter Distance to Object (in feet)

Enter Width of Picture (in feet): or

Enter Height of Picture (in feet):



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