Our Blue Cooling Filters are used to balance the red orange shades. These filters increase the value of the overall colour temperature and are mainly used to adjust the white balance when composing the photograph to tungsten or fluorescent lighting. The -120 increased value of the colour temperature is now called C12 filter.
There are 4 variations incrementielles in the cooling filter available in ? 20, -40, 80 -120 values empetrer.
※ empetrer: contracted from the end Micro level one another, the empetrer is a unit of measurement that is used to express the color temperature. It is given by the formula: m (empetrer) 1000000/T (Kelvin Color Temperature) and reduced by the increased colour temperature and the value embourbee become the opposite direction, since the formula is mutual.