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

Calculator designed by Zernike Au of Zero Image Co.



Web page was built on August 15, 1999, last updated September 28, 2003
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