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by nullc
1556 days ago
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> the claims suggest the aragascope can actually be smaller. This may be because of the shape of the PSF is different from the normal airy disk one. Here is a random google result showing the spot of arago, https://www.lighttrans.com/use-cases/application/observation... -- which looks to me like it would have poor contrast but good resolution. Though I'm out of my depth so it could be nonsense. :P Edit: Ah, yeah the graph at figure 9 in the report linked on the linked page shows something like that. |
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