N-BK7 and BK7

BK7 wafers are excellent for optical chromatic lens BK7 produces pristine color at all wavelengths with superior purity & superior optical performance

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

bk77 slot BK7 optical glass OPTIMUM TRANSMISSION RANGE 350nm

bk789 live Bookie7 dengan bangga mempersembahkan kolaborasi dengan Pragmatic Play, penyedia slot ternama di dunia Temukan rangkaian game slot menarik dengan fitur