Sunex’s IRC30-15×15-20/10 is a reflective IR cut-off filter for CMOS with a surface quality of 20-10 scratch-dig. Infrared cut-off filters are used with color CCD or CMOS imagers to products accurate color images. An IR cut-off filter blocks the transmission of the infrared while passing the visible. This reflective filter is a short-pass interference filter that reflects infrared light with high efficiency.