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5 Simple Techniques For 쿠퍼비젼

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As described above, a positive or converging lens in air focuses a collimated beam travelling along the lens axis into a spot (known as the focus) at a distance f from the lens. Conversely, some extent source of light-weight positioned with the point of interest is transformed into a collimated https://tysoncaywt.bleepblogs.com/24179499/how-렌즈-네이버-can-save-you-time-stress-and-money

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