AR ND2000(3.3) 100x100 NISI Neutral Density Waterproof Square Filter. As shown in picture , in leather case , inside as you can see the lens has not been opened and has its factory seal Details Brand NiSi Material Optical Glass Photo filter thread size 77 Millimetres Coating description Nano Coating Photo filter effect type Neutral Density Description Product Description The NiSi ND filter range are all top quality neautral density filters to help equalise and balance out lighting and cancelling over exposure without compromising the colour contrast. Perfect professional filter for landscape photography in a range of locations. Box Contains One NiSi ND filter