80C is a color conversion filter that provides better images when shooting indoors and without sunlight, tungsten lighting, and flash. All artificial light sources such as sunlight, daylight, incandescent, fluorescent light and so on have significant color characteristics. Filters provide better images by adjusting these light fluctuations. Films and videos are rated at specific color temperatures such as sunlight or tungsten light. Filters are used to compensate for the difference in color temperature between the recording media and the light source.