Cut-off glass filter
Red long pass filter
The red long-pass filter “HB series” is a transparent glass filter that has the characteristic of mainly transmitting the red wavelength or more. The following 9 types are available depending on which wavelength is used for transmission.
Model number | thickness (mm) | Wavelength transmittance limit (nm) | data |
HB600 | 2 | 600 ± 10 |  |
HB610 | 2 | 610 ± 10 |  |
HB630 | 2 | 630 ± 10 |  |
HB640 | 2 | 640 ± 10 |  |
HB650 | 2 | 650 ± 10 |  |
Model number | thickness (mm) | Wavelength transmittance limit (nm) | data |
HB670 | 2 | 670 ± 10 |  |
HB685 | 2 | 685 ± 10 | |
HB700 | 2 | 700 ± 10 |  |
HB720 | 3 | 720 ± 10 |  |
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