Optical Filter, Optical Glass, Glass Filter manufacturer / supplier in China, offering IR670, 100*15*1.0mm, 670nm Infrared Cut-off Filter for Camera Module and Imaging System, Neutral Density Filter, ND4, Size 105*105*0.7mm, Support Customized, Neutral Density Filter, ND8, Size 105*105*0.7mm, Support Customized and so on.