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Do camera obscuras produce negatives or positives of an image?

April 26, 2017camera image negatives positives

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Do camera obscuras produce negatives or positives of an image?

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All cameras, including a camera obscura, will produce an inverted and reflected image, so that the image is upside down and back to front. The reason is that light travels in straight lines. It is easy to simulate this by drawing several straight lines through a small aperture. You will see that a beam of light coming from one side of the object will end up on the other side of the image.