Detailed Product Description IR narrow bandpass optical filterApplication:CCTV camera,video doorbell,surveillance camera,digital telescope,IR receiver,telemetry controls,laser rangerfinder,laser speed measurement,biological detection,projectorSubstrate:D263T,B270,Sola-lime Dimension:Round Type:φ3.0mm~φ180mmSquarte Type:3.0mm~168mmThickness:0.3mm~1.1mm Custom design dimension availableSpectral ...