Zomei 720nm Infrared Red Lens IR Filter For Cameras 72mm
Optional Calibre: 52mm / 2.05in, 55mm / 2.17in, 58mm / 2.28in, 67mm / 2.64in, 72mm / 2.83in, 82mm / 3.23in. Infrared film is sensitive to ultraviolet rays and the shorter wavelengths of the visible spectrum.