Camera Lens Field of View Calculator

How to use this tool: 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):  2
Enter height of picture (in feet): or  2
Enter size of lens (in millimeters):  3

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