Featuring a 20 megapixel 1 inch sensor a maximum iso of 12 800 and a professional lens the dji zenmuse x4s is a powerful 4k camera designed for use with the inspire 2 quadcopter drone compared to the zenmuse x3 the zenmuse x4s has an additional stop of dynamic range and 15 more stops signal to noise ratio and colour sensitivity to deliver high quality images and video