Ko te whakaata arotahi papa, e mohiotia ana ko te whakaata mara me te whakaata arotahi f-theta, he punaha arotahi ngaio, e whai ana ki te hanga i tetahi waahi arotahi i roto i te rererangi tohu katoa me te kurupae laser. Ko tetahi o nga taputapu tino nui o te miihini tohu laser.
