Compass Optic Technology Company is a professional manufacturer specialized in the R& D and marketing of photoelectric filter, including infrared (IR) filter, narrow bandpass filter, filter films, Infrared Longwave Pass (IR LWP) Filters, Anti-aliasing filter, day / night filter, crystal filter, Optical low pass filter (OLPF) , CDS filter, Solar Panels filter, car number filter which are widely used in high-end and midrange CCD / CMOS optical applications. With nearly one decade&＃39;s experience in this field, we have won high reputation from many clients from all of the world. Owing to a strong R& D team with talented engineers averaging five years industry experience each, we have released a series of innovative products, such as the CDS filter, which was patented in 2005, Strictly following the 6 Sigma and 5S management systems, we use slap-up German and Russian ICs, and conduct multistage QC processes in-house, ensuring every single piece delivered to you is second to none. Customer design available. For more info about us, pls contact us today.