1 HOUR TECHNICAL CHALLENGE HOW DOES A PINHOLE CAMERA WORK? A pinhole camera is also known as camera obscure or dark chamber, is a simple optical imaging device in the shape of a closed box or chamber. In one of it sides is a small hole which via light will create an image of the outside space, on the opposite site of the box. A pinhole camera is completely dark on all the other sides of the box including the side where the point is created. This part can usually be painted black. Usually the smaller the hole, the sharper the image, but the dimmer the image. Pinhole cameras usually require a long time for exposure, often the shutter is operated manually, this can be done with a flap of light proof material to cover/uncover the hole. The exposure for a apinhole camera is usually on a huge range form 5 second to severual hours. A common use of the pinhole camera is to capture the movement of the sun over a long period of time. This type of photography is called solargraphy.
Here I have included a small example of one of my pinhole photographs that I created
I created my own pinhole camera, here are the steps to produce the pinhole camera: Equipment: 1 Drinks Can 1 Can Opener 1 Pin 1 sheet of Black Card Masking Tap Process: - Empty a can of frizzy drink - Us the can opener and remove the top of the can - Using the pin, pierce a hole in the centre of the can (with a permanent market, draw an arrow in the direction of the hole) - Create a lid out of the black card, which isn’t to tight or to loose and so that it covers the hole in the can, Using the Masking Tap to secure it all together. - This is now ready to be used, therefore you are able to create your photograph once you have placed the photographic paper in the can, so that it is facing the hole.