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While cutting off the UV and IR light and passing the visible light, it will reduce the temperature from the light source and avoid the harmful effect to the optical components because of the UV and IR light.
Commonly applied to Cold Light Source, Stage Light and projector etc. Also named Heat blocker Lens.
IR cut filter is a filter in which the passband is a wavelength range lower than the wanvelength range that is blocked.
Technical Index:
1.Surface quality: 0/0, 40/20 ~ 80/50
2.Surface Accuracy: 1/10 in, 1/4 into 2 into
3.Thickness tolerance: ± 0.01mm ~ ± 0.02mm
4.Parallelism: 5Arc second ~ 1Arc Minute
5.Processing range: up to 0.2mm thickness of the thinnest
6.Coating
Type table:
The Factory Model | SCHOTT | HOYA |
HWB760 |
| IR-76 |
HWB780 | RG780 |
|
HWB800 |
| IR-80 |
HWB830 | RG830 | IR-83 |
HWB850 |
| IR-85 |
HWB930 |
|
|
HWB1 |
| RM-86 |
HWB3 | RG7 | RM-90 |
HWB4/HWB950 |
|
|


If you can not find the type that you want above the table,please tell us the transmittance curve and we can help you to find the correct type.




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