Accessory code X365 Elliptical filter 42°x 86 ° for flood optic 39° - L=591 X365: Elliptical filter 42°x 86 ° for flood optic 39° - L=591 Technical description: Elliptical filter long L=591mm for a flood optic. Made of PMMA. Colour: Clear transparent (24) Weight (Kg): 0.04