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#D82327 Bi632 Light Red Interference Bandpass Filter

Recommended for use with red laser diodes and/or LED lighting where precise illumination control is needed or similar red wavelengths are also simultaneously being imaged with other cameras. Bi632 filters effectively block out almost all interference from other red light sources.

Useful Range : 625-640nm
FWHM : 28nm
Tolerance : +/- 5nm
Peak Transmission : ≥88%
Surface Quality : 40/20

Download Transmission Data

Bi632 Transmission Data (Typical)

wavelength (nm)	transmission (%)

wavelength (nm)	transmission (%)

Filter Mount & Size Options

Threaded Mount

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Unmounted & Custom Size

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The performance of a filter is based on what happens to light passing through the filter. The apparent color of light reflected off the surface is not a reliable way to judge the filter's capabilities. Batch-to-batch difference in the apparent color of the coatings or filter substrates can often be easily seen when looking at two examples of the same filter type. The color of the coating does not indicate a disparity in performance. Filters 62mm and greater have a surface quality tolerance of 60/40.

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