Why you should use an IR-cut filter with a color camera
Amazon.com : 6 in 1 Infrared IR Pass X-Ray Lens Filter, Adjustable 530nm to 750nm Screw-in Filter for Canon Nikon Sony Panasonic Fuji Kodak DSLR Camera (46mm) : Electronics
IR-Pass Filter 1.25 Inch 1¼" 685 nm Reduce the Effects of Seeing for Planetary | eBay
Square Ir Filter 850nm Ir Pass Filter - Buy Square Ir Filter,Ir Pass Filter,Optical 850nm Ir Filters Product on Alibaba.com