How does camera obscura work?

Voncile Slaubaugh: It just means a dark box.Even a Kodak 110 camera is a "camera obscura".http://www.brightbytes.com/cosite/portable.html...Show more

Aldo Decurtis: "The camera obscura means “dark room” and it really is that simple. Just make a hole in the wall of a dark room, and you will see a hazy up-side-down image of the outside world. This basic principle has been recorded in China as far back as 500 BC and mentioned by great thinkers from Aristotle to Leonardo Da Vinci, and the first clear description of this principle was given by Ibn al-Haytham.Now make that hole bigger and add a lens to focus the light. And you will get a brighter clearer image. And by the 1600’s the whole “room” was shrunk down to the size of this wooden box, so it would be portable. And the image was projected onto ground glass, so it could be seen from outside the box. This is how the camera obscura being Kickstarted hear works."...Show more