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Inquiry 6: How does it work? Cameras & Photography  Since the
time of Aristotle people have been able to view pinhole images,
originally as shapes flickering through tiny holes made between
several overlapping leaves. Pinhole photography, however, was
developed later and involves the capturing of those images and
shapes onto film using a tiny hole, instead of a lens. In a
pinhole camera, light passes through the hole and an image is
formed on the back wall of the instrument. The image that
appears is upside down because light travels in straight lines.
Therefore, light traveling from above goes straight through the
hole to the bottom of the camera wall and light traveling from
below goes straight through the hole to the top of the camera
wall. Thus, if you were looking at an outdoor scene with a
pinhole camera, the image on th