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Nakshathra

Dec 20, 2014

# WHY THE IMAGE FORMED IN A PINHOLE CAMERA IS INVERTED?

WHY  THE IMAGE FORMED IN A PINHOLE CAMERA IS INVERTED?

Amarnathreddy M

What is the procedure to make a pin hole camera in detail ? Pinhole Camera The image formed by a pinhole camera is inverted and smaller in size when compared to the original object. These cameras work on the principle that light travels in a straight line. Pinhole cameras are cheap and simple to make. An eclipse can be viewed using a pinhole camera. Making a Pinhole Camera Take two rectangular boxes that fit into one another without leaving any gap. Cut open one side of each box. Make a small hole in the larger box at the centre of the closed end opposite the side that has been cut open. Cut a square of side five centimetres in the smaller box in the closed end opposite the side that has been cut open. Cover this square with tracing paper. Finally, slide the smaller box into the larger box, ensuring that the pinhole and the tracing paper are in line with one another, but at the opposite ends. Slide the smaller box to adjust the focus so that you can capture the image of any object you want. This is the basic structure of the pinhole camera. However, the developed form of a pinhole camera uses photosensitive film instead of translucent paper to capture images. The film can be developed later to obtain photo prints. Nowadays, of course, we use digital cameras that store images in a computer chip. However, the basic principle of capturing the image remains the same.
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