Spectral Transmission

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Spectral Transmission

Different optical materials transmit the many wavelengths of light with differing efficiencies, and all wavelengths are reflected or absorbed in varying amounts. This will effect the colour balance of the lens.

One of the most important 'colours' or bands of light is in the UV region. For applications that require direct UV detection, special quartz and calcium fluoride (CaF2) lenses are available.

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