This document provides instructions for making a pinhole camera out of a empty Pringles can. It explains that a pinhole camera works by using a tiny hole to project an inverted image of the outside scene onto the interior surface of the camera. The instructions are to cut a Pringles can in half, cover one end with black paper and punch a small hole in the center, then hold the camera under a blanket pointing at a bright light source to view the projected image on the interior surface. A real camera works on the same principles but uses lenses to capture the image on light-sensitive film.

1. How to Make a Pin-Hole Camera
Instruction Sheet
How does a camera change a big scene into a small picture? To see
for yourself, make a pinhole “camera.”
Step 1
Take an empty Pringles can and cut it in half
If you have the half with no bottom cover it with black sugar paper
(make sure it’s a thick layer)
Put some blu-tack inside at the bottom
Make a TINY hole in the centre of the base.
Then take the blu-tack out
Step 2
If the plastic lid on your can is translucent (light comes through but you
can't see through it), you're good to go. If it's transparent (you can see
through it), place a piece of waxed paper over the open end of the
box and hold it there with tape or a rubber band.
Step 3
Sit in a dim room that has a bright object in it, such as a lamp or a
window that lets in daylight. Lay a blanket over your head and the
pinhole camera.
Step 4
Hold the camera at arm’s length, with the waxed paper toward you
and the punched-out hole sticking out from under the blanket. Point
the camera at the bright object. On the surface of the waxed paper,
you will see a picture of the object—backward and upside down.
A real camera uses the same principle as your pinhole camera except
that a real one does the job better. A real camera holds a piece of film
instead of waxed paper. That film is coated with chemicals that are
changed by light. They make the image into a lasting picture.
In a real camera, the lens does the same kind of job as the little hole—
it forms a backward, upside-down image. But the lens lets in a lot more
light so the film can do its work quickly.