A camera — in essence — is nothing more than a sealed box with a small hole (the lens) at the front, which collects light and ‘beams’ an image onto a light-sensitive surface inside in order to record an image. That opening line always caught people’s attention when I used it during photography workshops.   It’s a very simple, bare-bones definition, and true in essence, but there is a lot more to these devices that allow us to capture and
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