Home screen of the software when the camera is not connected.

Home screen of the software when the camera is not connected.

You cut a circular part of the filter sheet and use any other filter film along with its aluminum rim that screws onto your camera lens(in our case, we used UV filter) for the purpose of keeping the ND5 filter securely placed on the lens. Keep the shiny side facing the sun and the dark side of the film towards the camera.