This video shows you the Chocolate grad from Formatt Filters and the difference in using it. You can find the filter here: http://www.proav.co.uk/Filters/Round-Glass-Screw-In/Colour-Graduated-%28-Warming-%29/p20634_sc1076.aspx#productInformation
This video shows you the Chocolate grad from Formatt Filters and the difference in using it. You can find the filter here: http://www.proav.co.uk/Filters/Round-Glass-Screw-In/Colour-Graduated-%28-Warming-%29/p20634_sc1076.aspx#productInformation