Neewer 52MM Infrared Filter - IR720 - for Kodak, Fuji, Sony, Canon, Nikon + MORE! ** PLEASE NOTE: Camera NOT Included! ** Used for photography with infrared films. Infrared film is also sensitive to ultraviolet rays and the shorter wavelengths of the visible spectrum so it is necessary to filter out all but the infrared ray IR72 passes only infrared rays above 72nm Infrared filter often used in crime detection, medical photography, detection of distribution of vegetation, etc For photographer, this filter can be used with infrared film or digital photography to get interesting artistic and sometimes creative photos