Collectible Handmade Wooden Pinhole Camera
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Tips & Tools

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.

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