Tiffen: .Polarizador Circular: Reduce reflejos no deseados, colores saturados, produce azul cielo más profundo, mejora el contraste y penetra el reflejo.   Light Craft/Marumi: .ND-Fader : The Light Craft Fader ND is a new and innovative solution to carrying multiple Neutral Density filters - one ND filter with an adjustable range from 2 to 8 stops. This filter allows total control over the amount of light entering the front of the lens.