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Calculate Lens Millimetre Selection According To Area Size

Step 1 - Select the lens format you are using.


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

D Enter distance to object (in feet):
W Enter width of picture (in feet):


H Enter height of picture (in feet):
L Enter size of lens (in millimeters):

3. Press "Calculate" to get the missing information.

(Press "Reset" to clear the form.)