is an image created by focusing the light reflected from a subject onto a surface for viewing or capturing.
So how do you focus a pinhole? Sorry, but "all practical purposes" does not cut it. I am sure you would like it to be for your argument, but that does not make it so. This is exactly the problem, when it suits you, the language is always changing. Sorry, not always and not in optic physics. A lens has a very clear definition no matter how much you wish it didnt.
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