What is the camera Obscura?
The camera obscura is a black box with a curved lens or aperture that projects the image of an external object to a screen/wall inside. The name 'camera obscura' comes from the Latin words meaning 'darkened room'. The first record of the camera obscura technique goes back to Ancient Greece, when Aristotle noticed how light passing through a small hole into a darkened room produces an image on the wall.
The camera obscura is a black box with a curved lens or aperture that projects the image of an external object to a screen/wall inside. The name 'camera obscura' comes from the Latin words meaning 'darkened room'. The first record of the camera obscura technique goes back to Ancient Greece, when Aristotle noticed how light passing through a small hole into a darkened room produces an image on the wall.
This is a diagram of the Camera Obscura. its showing how the image outside is being projected on the inside.This is done through being in a blacked-out room and the scene being projected through a tiny hole. As you can see, the image on the inside is upside down. It is explained why below.