Analysis of information sources in references of the Wikipedia article "Pinhole camera" in English language version.
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What, then, is the best size of the aperture? That is the important question in dealing with pin-hole photography. [...] The general conclusion is that the hole may advantageously be enlarged beyond that given by Petzval's rule. A suitable radius is .
What, then, is the best size of the aperture? That is the important question in dealing with pin-hole photography. [...] The general conclusion is that the hole may advantageously be enlarged beyond that given by Petzval's rule. A suitable radius is .