explain the working of a pinhole camera
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Pinhole camera works on the principle that “Light travels in straight lines"Light from the objects enters the camera through the pinhole. It goes to the screen where it forms an inverted and small image. The image has the same colour as the object. If the pinhole is small, the image will be sharp and clear. The film records the image that comes in through the pinhole. The camera records a nice, in-focus image of the scene that you point the camera at. Usually, you have to expose the film for a long time because the pinhole lets so little light through.
The pinhole in a pinhole camera acts as the lens. The pinhole forces every point emitting light in the scene to form a small point on the film, so the image is crisp. The reason a normal camera uses a lens rather than a pinhole is because the lens creates a much larger hole through which light can make it onto the film, meaning the film can be exposed faster.
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Explanation:
Answer:
A pinhole camera is a simple camera without a lens but with a tiny aperture, a pinhole camera – effectively a light-proof box with a small hole in one side. Light from a scene passes through the aperture and projects an inverted image on the opposite side of the box, which is known as the camera obscura effect.
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