Mtundu wowunikira wamagetsi umagwiritsa ntchito laser yofiira ya 650nm, malo ang'onoang'ono, ndende yowala, mphamvu zamphamvu sizosavuta kufalikira, zimatha kuzindikira zinthu zowoneka bwino pamwamba pa o3mm, ndi malo owala, osavuta kulumikiza chotumizira ndi cholandila, kukonza zolakwika.