NUANCES Variable ND2-400 filters are made of mineral glass, introducing innovative technology. A new coating process ensures an uniform density and a nano metallic alloy is applied on both side of a highly resistant tempered Schott Glass B270, renowned for its high transmittance and low reflection. Nuances Variable ND2-400 will catch 1 to 8 f.stops of light, dedicating its use to long-exposure photography and/or depth of field reduction in extremely bright conditions for video shooting.