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The 5 Seidel sums can be calculated by tracing a paraxial ray from object to picture with the lens and by tracing also a paraxial principal ray in the centre from the aperture cease outward in the two directions towards the object and graphic, respectively. The angle of incidence i https://glasses-near-me58715.blogocial.com/the-basic-principles-of-soundbar-with-subwoofer-65885386

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