Edmund Optics (Barrington, NJ) has expanded their TECHSPEC® Fluorescence Bandpass Filters, suitable for fluorescence imaging applications. The filters feature greater than 93% transmission and greater than OD6 blocking outside the desired passband, less than 3% from the edge of the bandwidth to ensure detection of even the weakest signals. Each filter is manufactured with a hard sputtered coating on a single fused silica substrate for durability and mounted in a black anodized ring for ease of handling. The filters are designed to match emission and excitation bands for popular fluorophores including DAPI, Cy5, FITC, SpectrumGreen, ICG-A, QDots, and more. Each filter variety is available in a 12.5, 25, or 50 mm diameter model.
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