Ubucucike butagira aho bubogamiye (ND) Akayunguruzo gakoreshwa kenshi muri sisitemu yo gufata amashusho na sisitemu ya laser kugirango wirinde kwangirika kwa sensor ya kamera cyangwa ibindi bikoresho bya optique ukoresheje urumuri rwinshi.
ND Akayunguruzo kagenewe kugabanya ihererekanyabubasha ryumucyo igice kimwe haba mu gukurura cyangwa kwerekana urumuri.