Edmunds Optics 1″ Diameter, Optical Cast Plastic IR Longpass Filter

1″ Diameter, Optical Cast Plastic IR Longpass FilterDiameter (inches)1Diameter (mm)25.4Dimensional Tolerance (mm)±0.3Thickness (mm)1.5 NominalIndex of Refraction nd1.501 @ 20°CAbbe Number (vd)57Transmission (%)>90Density (g/cm3)1.320 at 20°CSubstrateThermoset ADC (CR-39®)Operating Temperature (°C)100 Continuous, 130 One Hour MaxCoatingUncoatedColorBlackTypeLongpass Filter

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