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Every time a very well-corrected lens is applied instead of a pinhole, the geometrical ray divergence is removed by the focussing motion with the lens, in addition to a much bigger aperture may very well be utilized; in that situation the diffraction spreading results in being smaller in fact. The https://judaheggec.59bloggers.com/30294078/the-smart-trick-of-clear-glasses-frames-that-no-one-is-discussing

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