How to Make a Pinhole Camera by NASA (source code)

= How to Make a Pinhole Camera by NASA
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{tag=Work by National Aeronautics and Space Administration}

https://www.jpl.nasa.gov/edu/resources/project/how-to-make-a-pinhole-camera/

NASA Jet Propulsion Laboratory education activity. Materials and steps 2–7 describe two cards, pierced foil, projection onto the receiving card and the effect of changing the card separation.