How to Calculate the F/Stop and Pinhole Diameter?

1. Measure the distance between the film plane and the pinhole in MM. The
script will calculate the pinhole diameter and the f/stop for you.

2.
If you have the pinhole diameter, the script can calculate the appropriate f/stop
for you.

F/Stop and Pinhole Calculator

Enter Focal Length: Enter Pinhole Diameter(optional):

Calculating Result

The film stop: Please enter the focal length

The Optimum Pinhole Size: for focal length of MM is 0 MM