Request InfoOcean Optics - Part of Ocean InsightOcean Optics Inc. introduces linear variable filters for use in fluorescence and other spectroscopy applications. The LVF series high- and low-pass and adjustable-bandwidth filters are coated on 57 x 10 x 0.7-mm quartz substrates. They also are available as loose filters for mounting in a fixture for insertion into a cuvette holder. The adjustable-bandwidth filters block or pass light from 300 to 700 nm, and the high- and low-pass filters are combined to make variable-bandpass filters. 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