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Every time a nicely-corrected lens is made use of in place of a pinhole, the geometrical ray divergence is removed via the focussing motion in the lens, as well as a much larger aperture may be utilized; in that case the diffraction spreading results in being compact in fact. The https://eyeglassesnearme58988.activoblog.com/30649497/top-guidelines-of-best-surround-sound-system

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