These are some basics of the camera obscura on wiki…..
Turn your room into a camera obscura!
A camera obscura is a step away from a pinhole camera….just add film. Here’s another diagram and some more directions on the pinhole camera…..extra credit for trying this one as a camera obscura…..
This article has some exceptional state-of-the-experimental-art of pinhole photos.
And here is the largest!
Click on the URL 2005 and then in the box at left type in image #439….it’s by someone you know……
In your comments, explain what you find interesting about the camera obscura. What is the most exciting example to you of the pinhole photos and why?