This image was produced by Abelardo Morell the title of this image is rooms with a view. Morell had made this image in a classroom by completely blacking out the whole room but leaving a tiny hole which made this image.
What is a camera obscura?
Basically a camera obsucra is a tube with tape and grease proof paper in and because theres a little hole in the top your able to see a projection of the object your looking at on a larger scale if your looking from the distance but it sometimes is upside down this image is produced because theres no light in that tube.
How to make a camera obscura
To make a camera obscura what you have to do is you get a tube preferably a kitchen roll tube or a pringles tube then you cut of a small section of the top with a stanley knife and then you put grease proof paper over it and use duct tape to stick it down then you stick the part of the tube you cut of on top of it and stick that down securely then put tin foil over the top and duct tape it down and make a pinhole in the top and you will be able to see the image that your looking at but it will be upside down.
A picture of a camera obscura made out of wood.
The artist/maker of this is unknown but this led to the invention of photography, This is a reflex camera obscura, it has a moveable lense which projects an image onto a mirror on the inside then projects an image onto a different glass plate for you to see.