The NiSi ND8 is a single 3-stop neutral density filter designed for the DJI Air 2S Drone. Each NiSi Filter for DJI Air 2S is designed with a lightweight airframe with aircraft aluminum construction resulting in an amazingly light filter at approximately 1g. It features high-definition optical glass free from a color cast which provides ultimate sharpness. The filter is treated with NiSi's Nano coating making it easy to clean, waterproof as water beads up and falls straight off and has very low reflection. Construction Achieve more natural and refined videos expanding your creative possibilities. This ND filter lengthens the shutter speed by reducing the amount of light entering the camera. It gives a more natural sense of motion when filming. It features the same IR technology available in NiSi's square filters to reduce color cast and allow a very true-to-life color. Easy to Use This filter is designed to complement the style of the DJI Air 2S and is easy to attach and remove from the camera. All NiSi Filters for DJI Air 2S pass the startup calibration.