Detailed Product Description IR Cut Optical FilterSubstrate D263T/B270/BK7/FloatglassRound type sizeΦ 3.6 ~ Φ 30 mm (+/-0.05 mm)Thickness0.3mm,0.4mm,0.55mm,0.7mm,1.1mmSurface Quality40/20,60/40IR Coating T50%T50% = 640/645/650/660nm +/-10 nm400 ~ 420 nmTmin.≥85%420 ~ 620 nmTmin≥88%, Tave≥90%650±10nmT=50%700 ~ 1000 nmTmax≤2%, Tave<1%1000 ~ 1100 nmTmax≤4%