NiSi Filter Kit for DJI Phantom 4 Pro (6 Pack) allows you to achieve a more natural and refined videos and expands your creative possibilities. The ND filters lengthen the shutter speed by reducing the amount of light entering the camera – it gives a more natural sense of motion when filming. Each filter is exceptionally light with a max weight of only 1.2g and features an ultra thin frame. Each filter is made from optical glass and features Nano Coating and a Waterproof Coating. The ND’s feature the same IR technology available in NiSi’s Square filters to reduce colour cast and allow a very true to life colour.