Introduce The 850nm bandpass filter is used in NIR imaging system to eliminate the influence of surrounding background light, including the visible and NIR. This filter is to increase the signal/noise ratio of the imager. The applications include secure monitoring, visual telephone, visual doorbell, digital telescope and other imaging systems. Substrate Float glass Size 22mm ~ 8181mm Thickness 0.4,0.5,0.7,1.1mm Surface Quality 40/20,60/40 2% 83510nm, 89510nm T=50% 830-870nm Tave85% Tmin80% 950-1100 nm Tave2% ...
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