Serving as midrange alternative to broadband or narrowband filters, TECHSPEC® Hard Coated OD4 25 nm Bandpass Filters provide transmission and rejection needed to isolate narrow spectral regions. Products offer ability to prevent overbleaching of live samples or fluorophores and can be used to eliminate unwanted background noise while enhancing SNR in imaging or machine vision applications. Center wavelengths range from 400–1,550 nm, and available diameters include 12.5, 25, and 50 mm.<br />
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