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Techspec fluorescence bandpass filters

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Edmund Optics has expanded its range of Techspec fluorescence bandpass filters. These precision filters are ideal for fluorescence imaging applications.

The filters feature greater than 93 per cent transmission and greater than OD6 blocking outside the desired passband, less than 3 per cent from the edge of the bandwidth to ensure detection of even the weakest signals. Each Techspec bandpass filter is manufactured with a hard sputtered coating on a single fused silica substrate for durability and mounted in a black anodised 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 50mm diameter model.