Application IR cameras, Infrared water analyzing system,surveillance camera,night vision machine, IR Illumination ,infrared flash lamp,IR induction products Substrate: Black optical glass, Red glass Dimension: Square Type:4mm~170mm Round Type:φ4mm~φ160mm Thickness:1mm~4mm   IR pass filter means transmit the IR light and blocking visible light wavelengths 400nm~700nm.Our IR pass filter is made by black or red IR glass.The IR black glass can block visible light more effectually .   Part No Description(black glass,red glass) Thickness JIPF-600T1 T=50% @ 600±15nm,T>85% 630~1100nm 1.0mm JIPF-650T1 T=50% @ 640±15nm,T>85% 680~1100nm 1.0mm JIPF-670T2 T=50% @ 670±15nm,T>80% 720~1100nm 2.0mm JIPF-685T2 T=50% @ 685±15nm,T>80% 740~1100nm 2.0mm JIPF-700T3 T=50% @ 700±15nm,T>80% 750~1100nm 3.0mm JIPF-720T3 T=50% @ 720±15nm,T>80% 770~1100nm 3.0mm JIPF-760T3 T=50% @ 760±15nm,T>80% 800~1100nm 3.0mm    JIPF-780T1.3 T=50% @ 780±15nm,T>80% 830~1100nm 1.3mm JIPF-800T1 T=50% @ 800±15nm,T>85% 850~1100nm 1.0mm JIPF-800T2 T=50% @ 800±15nm,T>80% 850~1100nm 2.0mm JIPF-830T1 T=50% @ 830±15nm,T>85% 880~1100nm 1.0mm JIPF-830T3 T=50% @ 830±15nm,T>80% 880~1100nm 3.0mm JIPF-850T1 T=50% @ 840±15nm,T>85%900~1100nm 1.0mm JIPF-850T2 T=50% @ 840±15nm,T>80%900~1100nm 2.0mm JIPF-850T3 T=50%@ 850±15nm,T>80% 900~1100nm 3.0mm 　 　 　   Part No comparison with Schott and HOYA Part No SCHOTT HOYA JIPF-650 　 R-66 JIPF-685 　 R-68 JIPF-700 RG695 R-70 JIPF-720 RG715 R-72 JIPF-760 　 IR-76 JIPF-800 　 IR-80 JIPF-830 RG830 IR-83 JIPF-850 　 IR-85