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BK7 is a standard glass for all kinds of optics The SCHOTT glass is nearly bubble free, has an excellent clarity, and a very low amount of inclusions

N-BK7 is a Schott designation for the most common Borosilicate Crown glass used for a wide variety of visible applications

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bk7com สล็อต BK7 offers maximum transparency with minimal bubbles or inclusions present as compared to other glasses Current study, therefore, is an