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A different commonly employed optical floor is the aspect of the cylinder. Such surfaces have power only from the meridian perpendicular to your cylinder axis. Cylindrical lenses are for that reason utilised where ever it is actually wished-for to change the magnification from a person meridian to the perpendicular meridian. https://optical50481.madmouseblog.com/10351153/the-single-best-strategy-to-use-for-portable-bluetooth-speaker

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