Blue Filters and Green FiltersLight Balancing Filters:- amber and blueColour Compensating Filters:- cyan and magentaNeutral Density FiltersHeat Absorbing FiltersUltraviolet Transmitting,visible absorbing FiltersMultiband Calibration Filters (Didymium)Multiband Calibration Filters (Holmium)
Visit the Global Optics (UK) Ltd website for more information on Blue Filters and Green Filters