Edmund Optics’ Techspec fluorescence bandpass filters are matched to common fluorophores used in fluorescence imaging applications. Available in common wavelengths for popular fluorophores, 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 made 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 match emission and excitation bands for fluorophores DAPI, Cy5, FITC, SpectrumGreen, ICG-A, QDots, and more. Each filter variety comes in a 12.5-, 25-, or 50-mm-diameter model.