... 680nm 720nm 850nm 3.black color Camera Accessories Stppo 77mm Infrared Infra-Red IR Filter 680nm Feature1.Ring Material: Black Matte ... : High Intensity, Optical Glass3.Diameters: 25,27,28,30,30.5,37,43, 46, 49, 52, 55, 58, 62, 67, 72 ... color films that are sensitive to certain values of infrared light not visible to the humam eye. Stppo 77mm Infrared Infra-Red IR Filter ...