The invention relates to apodization in a holographic direct view display. The fiber filler includes a significant percentage by weight of long, hair-like fibers. A recess part is provided to indent toward a side of the main body near the outer side of the through hole and the recess part has a receiving space communicating with the through hole. , a measurement task, and receive programs andor configuration information which are usable to configure the user’s measurement system hardware to perform the desired task.