Cut-off glass filter
Infrared transmission long pass filter
Infrared transmission long-pass filter “HB series” is a black glass filter that has the characteristic of mainly transmitting near-infrared wavelengths. Visible light is cut almost entirely, so it looks black. The following four types are available depending on which wavelength is used for transmission.
Model number | thickness (mm) | Wavelength transmittance limit (nm) | data |
HB780 | 3 | 780 ± 10 |  |
HB800 | 3 | 800 ± 10 |  |
HB830 | 3 | 830 ± 10 |  |
HB850 | 3 | 850 ± 10 |  |
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