9.5 out of 10 based on 738 ratings. LA Series | LB Series | FL Series Part #DescriptionUseful RangeMired Shift Value #ffcc99LA080Color Balancing Filter (Minus Blue)400-700nm-80 #fbb273LA120Color Balancing Filter (Minus Blue)400-700nm-120 #368fc0LB080Color Balancing Filter (Minus Red)400-700nm+80 #003366LB120Color Balancing Filter (Minus Red)400-700nm+120 #a24877FL550Color Balancing Filter (Minus Green)400-700nm