Caseman C10 Waterproof Single Shoulder Camera Bag Triangle Crossbody For NIKON CANON SONY OLYMPUS Size :W34cm * H24cm * T 12cm Logo:Caseman This innovative item brings great innovation of the filter industry. Through the polarization angle modulation (rotate the filter ring when operating), this lens can change the luminous flux substantially with freedom, reducing the ND number from 2 to 400! Weight: 750g Color: Black