NUANCES Variable ND32-1024 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 ND32-1024 will catch 5 to 10 f.stops of light, dedicating its use to long-exposure photography and/or depth of field reduction in extremely bright conditions for video shooting.