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Frequently Asked Questions

What is a camera obscura and how does it work?

How it works. The Camera Obscura is an ancient optical device. In its most basic form it is, quite simply, a dark room with a small hole in one wall. On the wall opposite the hole, an image is formed of whatever is outside. This image is upside-down (inverted) and back to front (laterally transposed).

What was the camera obscura used for?

Camera obscura is Latin for "dark chamber.". It is the name given to a simple device used to produce images that would lead to the invention of photography. The English word for today's photographic devices is merely a shortening of this name to "camera".

Is a pinhole camera the same as a camera obscura?

A pinhole camera is a sort of camera obscura which literally means 'dark room'. (your eye is a bit the same) In fact all photographic cameras are. A pinhole camera is a light tight box or can with a tiny opening so light rays can find it's way in and influence the light sensitive material that is placed at the back of the container.

Why or how does camera obscura work?

Camera obscura (meaning "dark room" in Latin) is a box-shaped device used as an aid for drawing or entertainment. Also referred to as a pinhole image, it lets light in through a small opening on one side and projects a reversed and inverted image on the other.