B58RM72 58mm RM-72 Infrared Filter

B58RM72 58mm RM-72 Infrared Filter Brand: HOYA Part: B-58RM72-GB Type: Infrared Size: 58mm Compatibility: Camcorder Features: This filter is 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 rays. R72 passes only infrared rays above 720nm. It is often used in crime detection, medical photography, detection of distribution of vegetation, etc.