A pinhole camera is a fascinating and straightforward device that operates without a lens. Let’s delve into its intriguing workings:
Principle of Operation:
A pinhole camera consists of a light-proof box with a tiny aperture (the “pinhole”) on one side.
When light from a scene passes through this pinhole, it projects an inverted image on the opposite side of the box. This phenomenon is known as the camera obscura effect.
The size of the resulting image depends on the distance between the object and the pinhole.
Historical Origins:
The concept of the camera obscura or pinhole image dates back centuries.
Early descriptions of this natural optical phenomenon can be found in Chinese Mozi writings (around 500 BCE) and the Aristotelian Problems (circa 300 BCE – 600 CE).
Ibn al-Haytham, an Arab physicist, also observed the camera obscura effect
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